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Tetsu-to-Hagané
Vol. 60 (1974), No. 10

Tetsu-to-Hagané Vol. 60 (1974), No. 10

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ONLINE ISSN:	1883-2954
PRINT ISSN:	0021-1575
Publisher:	The Iron and Steel Institute of Japan

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Tetsu-to-Hagané Vol. 60 (1974), No. 10

III 鉄鋼の変形能

加藤健三, 正脇謙次, 中島浩衛, 南部好機, 井上毅, 木下修司, 酒井拓, 大橋正幸, 武石和夫, 五弓勇雄, 本原諄二, 前沢明広

pp. A107-A118

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III 鉄鋼の変形能

Tetsu-to-Hagané Vol.60(1974), No.10

V 鉄鋼の靭性と転位論、その基礎と応用

Tetsu-to-Hagané Vol.60(1974), No.10

II 連鋳鋳片の品質と内部性状

Tetsu-to-Hagané Vol.60(1974), No.10

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III 鉄鋼の変形能

Bibtex

Ris

Problems of Natural Resources and Research Making and Developing same

Yoshimasa KUBO

pp. 1423-1424

DOI:

10.2355/tetsutohagane1955.60.10_1423

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Article Title

Problems of Natural Resources and Research Making and Developing same

Bibtex

Ris

III 鉄鋼の変形能

加藤健三, 正脇謙次, 中島浩衛, 南部好機, 井上毅, 木下修司, 酒井拓, 大橋正幸, 武石和夫, 五弓勇雄, 本原諄二, 前沢明広

pp. A119-A130

Readers Who Read This Article Also Read

III 鉄鋼の変形能

Tetsu-to-Hagané Vol.60(1974), No.10

V 鉄鋼の靭性と転位論、その基礎と応用

Tetsu-to-Hagané Vol.60(1974), No.10

II 連鋳鋳片の品質と内部性状

Tetsu-to-Hagané Vol.60(1974), No.10

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III 鉄鋼の変形能

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Reduction of Sintered Ore in Fixed Bed with CO Gas

Masayoshi AMATATSU, Hirao GO, Tongshik CHANG, Masaru OKAMOTO, Mitsuru TATE

pp. 1425-1431

DOI:

10.2355/tetsutohagane1955.60.10_1425

Abstract

The reduction processes of sintered ore in the fixed bed with CO gas have been studied.The reduction rates of sintered ore in the temperature range from 800 to 1000℃ have been measured by analysing the waste gas composition or by weighing the bed weight continuously ; the following results are obtained.(1) The reduction curves obtained by gas analysis are in good agreement with those by the thermobalance in the same experimental conditions.(2) At a constant ratio of the bed weight to the gas flow rate (M/V), the same reduction curves were obtained at different gas flow rates (4.6, 9.1 and 36 Nl/min) ; the gas film resistance seems to be unimportant.(3) The analysis based on the unreacted core model for a single pellet applied to the reduction of sintered ore with CO gas gives the following expression for the calculated chemical reaction rate constant k_s=exp(5.23-14000/RT). As the calculated constant F defind as r₀k_s/De is dependent of the diameter of sintered ore, it is considered that the reduction process is controlled by the chemical reaction rate for small sizes (Dp=3 mm), but is controlled by mixed rates of the chemical reaction and the gas diffusion through ash layer for large sizes (Dp=7-13 mm).

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Reduction of Sintered Ore in Fixed Bed with CO Gas

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IV オーステナイト系ステンレス鋼の応力腐食割れと機構

下平三郎, 柴田俊夫, 小林実, 竹山太郎, 木島茂, 小若正倫, 工藤赳夫, 松島巖

pp. A131-A138

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Relationship Between Austenitizing Time and Mechanical Properties of the Alloy Tool Steel SKD11

Tetsu-to-Hagané Vol.60(1974), No.1

Amount of Aluminium Addition Required in Continuous Galvanizing Baths

Tetsu-to-Hagané Vol.60(1974), No.1

Stress Corrosion Cracking of Carbon and Low-Alloy Steels

Tetsu-to-Hagané Vol.60(1974), No.3

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IV オーステナイト系ステンレス鋼の応力腐食割れと機構

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Effect of Surface Movement on the Rate of Gas-Metal Reactions

Masamichi SANO, Kazumi MORI

pp. 1432-1442

DOI:

10.2355/tetsutohagane1955.60.10_1432

Abstract

The present paper is concerned with the effect of surface movement on the rate of gas-metal reactions. Experimental studies were made by blowing argon-oxygen mixtures onto the silver melt heated electrically both by resistance and by high frequency induction. During the process of oxygen desorption from the melt of high oxygen concentration into the atmosphere of pure argon or the argon-oxygen mixture of very low oxygen potentials, the retardation of surface movement occurred and the surface became immobile. When the oxygen concentration of the melt became low, the surface movement recovered. On the other hand, in the case of oxygen absorption, the retardation of surface movement did not occur. The mass transfer coefficient for the immobile surface was smaller by a factor of about 7 than that for the mobile surface.An analysis was made to explain the observed phenomena relating to the surface movement. By considering the shear stress due to the uneven distribution of the concentration of oxygen adsorbed on the surface leading to the uneven distribution of surface tension, the momentum boundary layer equation was solved. The analytical result gave a reasonable explanation for the experimental findings.

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Effect of Surface Movement on the Rate of Gas-Metal Reactions

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IV オーステナイト系ステンレス鋼の応力腐食割れと機構

下平三郎, 柴田俊夫, 小林実, 竹山太郎, 木島茂, 小若正倫, 工藤赳夫, 松島巖

pp. A139-A150

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IV オーステナイト系ステンレス鋼の応力腐食割れと機構

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Reaction Rate of Nitrogen Desorption from Liquid Iron and Iron Alloys

Shiro BANYA, Tadahiro SHINOHARA, Hideo TOZAKI, Tasuku FUWA

pp. 1443-1453

DOI:

10.2355/tetsutohagane1955.60.10_1443

Abstract

The rate of nitrogen removal from liquid iron and iron alloys containing oxygen, sulphur, silicon, carbon, nickel, and chromium, respectively, was studied at 1600℃ using argon as a carrier gas. The results obtained are as follows:1. The reaction of nitrogen removal is of the second-order, and it is considered that the chemical reaction on the surface of the liquid iron is the rate-determining step. The rate of the reaction, 2N (in liquid iron) ↔ N₂(gas), is expressed by the following equation:
−d [%N] ⁄ dt = A ⁄ V k₂′ [%N]²
where, A and V are the surface area and the volume of liquid iron.2. The activation energy of the nitrogen removal reaction is 35.2 K cal.3. The surface active elements decrease the rate markedly, and the effects of other alloying elements on the rate depend on the effect of the activity of nitrogen in the liquid iron. A mechanism of nitrogen removal from liquid iron is proposed to describe the rate of reaction quantitatively by considering the effect of the absorption of the surface active elements. The apparent rate constant, k₂′ is expressesed as follows at 1600℃:
k₂′ = 0.974 f ²_N (1 ⁄ 1 + 28.4 [%O] + 5.34 [%S])²
where f_N is the activity coefficient of nitrogen in liquid iron.

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Reaction Rate of Nitrogen Desorption from Liquid Iron and Iron Alloys

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V 鉄鋼の靭性と転位論、その基礎と応用

井形直弘, 佐野謙一, 今中拓一, 船越督己, 藤元克己, 今村淳, 早川浩, 速水哲博

pp. A151-A162

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II 連鋳鋳片の品質と内部性状

Tetsu-to-Hagané Vol.60(1974), No.10

III 鉄鋼の変形能

Tetsu-to-Hagané Vol.60(1974), No.10

III 鉄鋼の変形能

Tetsu-to-Hagané Vol.60(1974), No.10

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V 鉄鋼の靭性と転位論、その基礎と応用

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On the Unusual Columnar Zone near the Bottom of a Large Ingot

Akira SUZUKI, Takayasu NIIMI, Hiroyuki NAGATA, Shigeaki TANAKA, Yoshihiro IWATA, Isamu BESSHO

pp. 1454-1462

DOI:

10.2355/tetsutohagane1955.60.10_1454

Abstract

Unusual zones with columnar structure were observed near the bottom of the 100 t ingot. Metallographic examination of the unnsual zones has shown that the growth direction of one zone differs from those of other zones. This means that unusual zones originally solidify elsewhere and finally settle in the sedimental zone.As it has previously been proposed that the top surface of the ingot is the place where the unusual zones originally solidify, the existence of the frozen top crust was checked at the hot top of a 120 t ingot. Some of the top crust could be picked up in the relatively early stage of solidification of the ingot and their structure was also columnar.A small scale experiment using Al-0.2%Cu alloy proved that the top crust formed by putting a chill block on the top surface of the ingot sank to near the bottom of the ingot.

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On the Unusual Columnar Zone near the Bottom of a Large Ingot

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I 炉底侵食の機構と対策

鈴木隆夫, 松野二三朗, 田村洋一, 平櫛敬資, 樋渡幸夫, 青山和輝, 平谷達雄, 西山哲司, 市原勲, 島田信郎, 小山保二郎, 宮本明, 西正明, 小林基伸

pp. A71-A78

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Relationship Between Austenitizing Time and Mechanical Properties of the Alloy Tool Steel SKD11

Tetsu-to-Hagané Vol.60(1974), No.1

Amount of Aluminium Addition Required in Continuous Galvanizing Baths

Tetsu-to-Hagané Vol.60(1974), No.1

On the Solidification and Segregation of the Large Killed Steel Ingots

Tetsu-to-Hagané Vol.62(1976), No.13

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I 炉底侵食の機構と対策

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Control of Carbon Content after Oxygen Blowing in Oxidizing Period of Stainless Steel Melting in Arc Furnace

Kiyoo ONO, Saburo SUGIURA, Isao TANAKA

pp. 1463-1469

DOI:

10.2355/tetsutohagane1955.60.10_1463

Abstract

The process analysis of the oxidizing period was carried out by using a 2 ton arc furnace. The changes of and the relationship among C, Si, Mn, Cr, Fe in the melt and the bath-temperature during oxygen blowing were analyzed.A method of controling the carbon content after oxygen blowing was established by using a mathematical model obtained according to that analysis.The controling accuracy of carbon content obtained by that mathematical model was twofold better than that of conventional method.The greatest merit of the controling method by means of the mathematical model lies on the fact that even an unexperienced operator can control the carbon content after oxygen blowing easily and accurately. Furthermore, an operator-guide-control-system by a computer can be introduced into stainless-steel-melting.

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Control of Carbon Content after Oxygen Blowing in Oxidizing Period of Stainless Steel Melting in Arc Furnace

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I 炉底侵食の機構と対策

鈴木隆夫, 松野二三朗, 田村洋一, 平櫛敬資, 樋渡幸夫, 青山和輝, 平谷達雄, 西山哲司, 市原勲, 島田信郎, 小山保二郎, 宮本明, 西正明, 小林基伸

pp. A79-A86

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Estimation of Refractory Wear and Solidified Layer Distribution in the Blast Furnace Hearth and Its Application to the Operation

Tetsu-to-Hagané Vol.73(1987), No.15

Report of the Refractory Committee of the Joint Research Society of ISIJ

Tetsu-to-Hagané Vol.62(1976), No.14

Influence of Hot Metal Flow on the Heat Transfer in a Blast Furnace Hearth

Tetsu-to-Hagané Vol.71(1985), No.1

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I 炉底侵食の機構と対策

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Effect of Boron on Hardenability of Al-B-N Low Alloy Steels

Ryuichi HABU, Masasuke MIYATA, Shozo SEKINO, Susumu GODA

pp. 1470-1482

DOI:

10.2355/tetsutohagane1955.60.10_1470

Abstract

The effect of boron on hardenability was studied in Al-B-N low alloy steels. It was clarified that the effect of boron on hardenability depends upon the amount of soluble boron which is in equilibrium in austenite and that the maximum hardenability can be attained at 3&acd;5ppm soluble boron. Based on the equilibrium theory, the amounts of Al, B, and N which can bring the maximum hardenability were calculated.It was concluded that the addition of 0.06 to 0.08% Al gives rise to the maximum hardenability due to boron even with considerable variations of B and N content.

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Effect of Boron on Hardenability of Al-B-N Low Alloy Steels

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II 連鋳鋳片の品質と内部性状

浅野鋼一, 広本健, 大橋徹郎, 松永久, 鈴木章, 鈴木武, 野崎輝彦, 芝田義夫, 川和高穂, 石黒守幸, 伊藤雅治, 垣生泰弘, 北岡英就, 吉井裕, 江島彬夫, 関明, 白石昌司, 井上俊朗, 小舞忠信, 新美英俊, 斎藤豊一, 秋田靖博

pp. A87-A98

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II 連鋳鋳片の品質と内部性状

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Strength and Tonghness of Tempered Martensite and Bainite in 5%Ni-0.5%Mo Steels

Akio KAMADA, Noriaki KOSHIZUKA, Tokushi FUNAKOSHI

pp. 1483-1495

DOI:

10.2355/tetsutohagane1955.60.10_1483

Abstract

The relation between strength and toughness of tempered martensite and bainite was investigated for 5%Ni-0.5%Mo steels containing 0.15% or 0.30%C with various austenite grain size. When toughness of martensite is compared with that of bainite in the same strength level, former is more affected by austenite grain size and less affected by carbon content.The surface and cross sections of fractured specimens after impact tests were examined by scanning and ordinary electron microscopy in order to investigate the structural factors affecting toughness. These microscopic observation indicated that the fracture facets were formed at the large martensites or bainites and at the packets of relatively thick laths which were found when the austenite grains were coarse or the C content was low. Although the concept of the effective grain size seemed to be valid in the martensite and bainite structure as the fracture facet size coincided with those of packets in these structures, behavior of toughness was not completely explained by this factor only. The role of carbide to impair touhgness is emphasized from the point that the increase of C content decreases the toughness of the bainite, in spite of the structure becoming fine, where the carbides become coarse and abundant.

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Strength and Tonghness of Tempered Martensite and Bainite in 5%Ni-0.5%Mo Steels

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II 連鋳鋳片の品質と内部性状

pp. A99-A106

Readers Who Read This Article Also Read

V 鉄鋼の靭性と転位論、その基礎と応用

Tetsu-to-Hagané Vol.60(1974), No.10

III 鉄鋼の変形能

Tetsu-to-Hagané Vol.60(1974), No.10

III 鉄鋼の変形能

Tetsu-to-Hagané Vol.60(1974), No.10

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II 連鋳鋳片の品質と内部性状

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Recrystallization Textures of Low Carbon Steels Containing 0.61% or 0.29% Copper

Hideo ABE, Takeshi SUZUKI, Fumie TOGAWA, Naoki MIYASAKA

pp. 1496-1505

DOI:

10.2355/tetsutohagane1955.60.10_1496

Abstract

It is shown that the recrystallization texture of low carbon steel containing a small amount of copper depends on the heating rate of the final annealing. In a steel containing 0.61%Cu, the (222) pole intensity shows a maximum at about 100℃/hr and a minimum at about 50℃/hr. This behavior is interpreted qualitatively by separating the (222) pole intensity into two components; one from {111}<110> orientation and another from {554}<225> orientation. The microstructures after recrystallization are also interpreted by considering the difference in the condition for the selection of the recrystallized grains of each orientation. In a steel containing 0.29% Cu, the (222) pole intensity also shows a weak maximum at about 100℃/hr and the {111}<110> component is weak in the recrystallization texture of this steel.

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Recrystallization Textures of Low Carbon Steels Containing 0.61% or 0.29% Copper

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Effect of Individual Addition of Alloying Element on the Creep-Rupture Strength and Microstructure of 12% Cr Steel

Norio TAKAHASHI, Toshio FUJITA

pp. 1506-1518

DOI:

10.2355/tetsutohagane1955.60.10_1506

Abstract

High pressure and temperature steam condition of recent steam turbine demands development of 12%Cr steel having superior elevated temperature strength. So, the effects of individual addition of alloying element such as Mo, W, Ti, V and Nb have been investigated in order to improve the elevated temperature strength of 12%Cr steel.The elevated temperature strength of 12%Cr steel is increased by individual addition of alloying element such as Mo, W, Ti, V and Nb. Additions of Mo or W results in solid solution strengthening as well as precipitation hardening, whereas those of Ti, V or Nb results in precipitation hardening. The strengthening effect can be explained by the difference in atomic volume between Fe and the alloying elements. It is observed under transmission electron microscope that the dislocation density becomes higher, as the difference in atomic volume is larger. As a result, the creep rupture strength of the steel is increased.

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Effect of Individual Addition of Alloying Element on the Creep-Rupture Strength and Microstructure of 12% Cr Steel

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Effects of Molybdenum and Heat Treatment on the Microstructure and Hardness of 15Cr-14Ni Heat Resisting Steels

Takemi YAMADA, Toshio FUJITA

pp. 1519-1532

DOI:

10.2355/tetsutohagane1955.60.10_1519

Abstract

The effects of molybdenum and heat treatment on the micro-structure and hardness of 0.15C-15Cr-14Ni heat resisting steels have been investigated in both solution treated and aged conditions. Structural examination has been made using optical and electron microscopies and X-ray diffraction analysis of electrolytically extracted residues. The results are as follows:The carbon solubilities of the steels after solution treatments were determined by electrolytical isolation method. It was shown that the dissolved carbon content decreased progressively with molybdenum content. In these conditions the undissolved carbidies, mainly M₂₃C₆, tended to coarsen with increase of solution temperature and of molybdenum content. Below 1% molybdenum, the coasening was not remarkable but over this content there was progressive increase in the diameter of undissolved carbide. It was founed that the distribution of this particle increased with increase of molybdenum content and with decrease of solution temperature, and had an important effect on the hardeness and the austenite grain size.During the aging of the steels, massive, cubic, and ribbon-like M₂₃C₆ and rod-like M₆C precipitated. From the results of the microstructural observation and hardness testing, it was found that there was a linear relationship between the logarithm of distribution density of cubic M₂₃C₆ plus rod-like M₆C and the logarithm of amount of age-hardening.

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Effects of Molybdenum and Heat Treatment on the Microstructure and Hardness of 15Cr-14Ni Heat Resisting Steels

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Diffusion of Vanadium, Copper, Silicon, Phosphorus, and Sulfur in Molten Iron Saturated with Carbon

Yoichi ONO, Seisuke ISHITOBI

pp. 1533-1541

DOI:

10.2355/tetsutohagane1955.60.10_1533

Abstract

Diffusion coefficients of vanadium, copper, silicon, phosphorus, and sulfur in molten iron saturated with carbon have been measured by the capillary-reservoir technique in the temperature range from 1350° to 1550℃.The results are summerized by the follwing Arrhenius' equation:
D_V = (6.45 ± 1.08) × 10⁻³ exp (− 18700 ± 600 ⁄ RT) cm²/secD_Cu = (41.5 ± 7.5) × 10⁻³ exp (− 21700 ± 700 ⁄ RT) cm²/secD_Sl = (1.85 ± 0.28) × 10⁻³ exp (− 13300 ± 500 ⁄ RT) cm²/secD_P = (7.05 ± 0.95) × 10⁻³ exp (− 17700 ± 500 ⁄ RT) cm²/secD_S = (0.98 ± 0.10) × 10⁻³ exp (− 10000 ± 300 ⁄ RT) cm²/sec
The present results have been discussed together with the previous results on the diffusivities of chromium, manganese, cobalt, and nickel in molten iron saturated with carbon (Refer to Trans. ISIJ, 11 (1971), p.275). A definite correlation has been found between the diffusivity and the thermodynamic interaction of the diffusing element with the solvent as expressed by the standard free energy of solution of the diffusing element in molten iron saturated with carbon.

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Diffusion of Vanadium, Copper, Silicon, Phosphorus, and Sulfur in Molten Iron Saturated with Carbon

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Fluidized Bed Reduction of Iron Ore

Shinichi KONDO

pp. 1542-1559

DOI:

10.2355/tetsutohagane1955.60.10_1542

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Fluidized Bed Reduction of Iron Ore

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Kinetics of Steelmaking Processes in the Basic Oxygen Converter

Kazumi MORI

pp. 1560-1570

DOI:

10.2355/tetsutohagane1955.60.10_1560

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Kinetics of Steelmaking Processes in the Basic Oxygen Converter

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抄録

pp. 1571-1577

DOI:

10.2355/tetsutohagane1955.60.10_1571

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抄録

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III 鉄鋼の変形能

加藤健三, 正脇謙次, 中島浩衛, 南部好機, 井上毅, 木下修司, 酒井拓, 大橋正幸, 武石和夫, 五弓勇雄, 本原諄二, 前沢明広

pp. A107-A118

DOI:

10.2355/tetsutohagane1955.60.10_A107

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III 鉄鋼の変形能

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III 鉄鋼の変形能

加藤健三, 正脇謙次, 中島浩衛, 南部好機, 井上毅, 木下修司, 酒井拓, 大橋正幸, 武石和夫, 五弓勇雄, 本原諄二, 前沢明広

pp. A119-A130

DOI:

10.2355/tetsutohagane1955.60.10_A119

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III 鉄鋼の変形能

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IV オーステナイト系ステンレス鋼の応力腐食割れと機構

下平三郎, 柴田俊夫, 小林実, 竹山太郎, 木島茂, 小若正倫, 工藤赳夫, 松島巖

pp. A131-A138

DOI:

10.2355/tetsutohagane1955.60.10_A131

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IV オーステナイト系ステンレス鋼の応力腐食割れと機構

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IV オーステナイト系ステンレス鋼の応力腐食割れと機構

下平三郎, 柴田俊夫, 小林実, 竹山太郎, 木島茂, 小若正倫, 工藤赳夫, 松島巖

pp. A139-A150

DOI:

10.2355/tetsutohagane1955.60.10_A139

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IV オーステナイト系ステンレス鋼の応力腐食割れと機構

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V 鉄鋼の靭性と転位論、その基礎と応用

井形直弘, 佐野謙一, 今中拓一, 船越督己, 藤元克己, 今村淳, 早川浩, 速水哲博

pp. A151-A162

DOI:

10.2355/tetsutohagane1955.60.10_A151

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V 鉄鋼の靭性と転位論、その基礎と応用

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I 炉底侵食の機構と対策

鈴木隆夫, 松野二三朗, 田村洋一, 平櫛敬資, 樋渡幸夫, 青山和輝, 平谷達雄, 西山哲司, 市原勲, 島田信郎, 小山保二郎, 宮本明, 西正明, 小林基伸

pp. A71-A78

DOI:

10.2355/tetsutohagane1955.60.10_A71

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I 炉底侵食の機構と対策

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I 炉底侵食の機構と対策

鈴木隆夫, 松野二三朗, 田村洋一, 平櫛敬資, 樋渡幸夫, 青山和輝, 平谷達雄, 西山哲司, 市原勲, 島田信郎, 小山保二郎, 宮本明, 西正明, 小林基伸

pp. A79-A86

DOI:

10.2355/tetsutohagane1955.60.10_A79

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I 炉底侵食の機構と対策

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II 連鋳鋳片の品質と内部性状

pp. A87-A98

DOI:

10.2355/tetsutohagane1955.60.10_A87

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II 連鋳鋳片の品質と内部性状

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II 連鋳鋳片の品質と内部性状

pp. A99-A106

DOI:

10.2355/tetsutohagane1955.60.10_A99

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II 連鋳鋳片の品質と内部性状

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Tetsu-to-Hagané Vol. 60 (1974), No. 10

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Tetsu-to-Hagané Vol. 60 (1974), No. 10

III 鉄鋼の変形能

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Problems of Natural Resources and Research Making and Developing same

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III 鉄鋼の変形能

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Reduction of Sintered Ore in Fixed Bed with CO Gas

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IV オーステナイト系ステンレス鋼の応力腐食割れと機構

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Effect of Surface Movement on the Rate of Gas-Metal Reactions

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IV オーステナイト系ステンレス鋼の応力腐食割れと機構

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Reaction Rate of Nitrogen Desorption from Liquid Iron and Iron Alloys

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V 鉄鋼の靭性と転位論、その基礎と応用

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On the Unusual Columnar Zone near the Bottom of a Large Ingot

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I 炉底侵食の機構と対策

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Control of Carbon Content after Oxygen Blowing in Oxidizing Period of Stainless Steel Melting in Arc Furnace

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I 炉底侵食の機構と対策

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Effect of Boron on Hardenability of Al-B-N Low Alloy Steels

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II 連鋳鋳片の品質と内部性状

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Strength and Tonghness of Tempered Martensite and Bainite in 5%Ni-0.5%Mo Steels

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II 連鋳鋳片の品質と内部性状

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Recrystallization Textures of Low Carbon Steels Containing 0.61% or 0.29% Copper

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Effect of Individual Addition of Alloying Element on the Creep-Rupture Strength and Microstructure of 12% Cr Steel

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Effects of Molybdenum and Heat Treatment on the Microstructure and Hardness of 15Cr-14Ni Heat Resisting Steels

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Diffusion of Vanadium, Copper, Silicon, Phosphorus, and Sulfur in Molten Iron Saturated with Carbon

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Fluidized Bed Reduction of Iron Ore

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Kinetics of Steelmaking Processes in the Basic Oxygen Converter

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抄録

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III 鉄鋼の変形能

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III 鉄鋼の変形能

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IV オーステナイト系ステンレス鋼の応力腐食割れと機構

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IV オーステナイト系ステンレス鋼の応力腐食割れと機構

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V 鉄鋼の靭性と転位論、その基礎と応用

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I 炉底侵食の機構と対策

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I 炉底侵食の機構と対策

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II 連鋳鋳片の品質と内部性状

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II 連鋳鋳片の品質と内部性状

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Article Access Ranking

Injection of hydrogenous gases into the blast furnace tuyeres for reducing CO₂ emissions: a review

Precipitation Behavior of MnS from Molten Iron to Al₂O₃ during Solidification

Molecular dynamics simulation of viscosity of the CaO, MgO and Al₂O₃ melts