Steel Science Portal

New Arrival Alert : OFF

You can use this feature after you logged into the site.
Please click the button below.

ONLINE ISSN: 1883-2954

PRINT ISSN: 0021-1575

Publisher :

The Iron and Steel Institute of Japan

Advance Publication
Current Issue
Vol. 107 (2021)
- No. 1
Vol. 106 (2020)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 105 (2019)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 104 (2018)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 103 (2017)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 102 (2016)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 101 (2015)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 100 (2014)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 99 (2013)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 98 (2012)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 97 (2011)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 96 (2010)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 95 (2009)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 94 (2008)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 93 (2007)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 92 (2006)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 91 (2005)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 90 (2004)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 89 (2003)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 88 (2002)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 87 (2001)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 86 (2000)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 85 (1999)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 84 (1998)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 83 (1997)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 82 (1996)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 81 (1995)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 80 (1994)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 79 (1993)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 78 (1992)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 77 (1991)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 76 (1990)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 75 (1989)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 74 (1988)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 73 (1987)
- No. 16
- No. 15
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 72 (1986)
- No. 16
- No. 15
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 71 (1985)
- No. 16
- No. 15
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 70 (1984)
- No. 16
- No. 15
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 69 (1983)
- No. 16
- No. 15
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 68 (1982)
- No. 16
- No. 15
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 67 (1981)
- No. 16
- No. 15
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 66 (1980)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 65 (1979)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 64 (1978)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 63 (1977)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 62 (1976)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 61 (1975)
- No. 15
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 60 (1974)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 59 (1973)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 58 (1972)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 57 (1971)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 56 (1970)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 55 (1969)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 54 (1968)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 53 (1967)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 52 (1966)
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 51 (1965)
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 50 (1964)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 49 (1963)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 48 (1962)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 47 (1961)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 46 (1960)
- No. 14
- No. 13
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8-supl
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 45 (1959)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 44 (1958)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 43 (1957)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 42 (1956)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1
Vol. 41 (1955)
- No. 12
- No. 11
- No. 10
- No. 9
- No. 8
- No. 7
- No. 6
- No. 5
- No. 4
- No. 3
- No. 2
- No. 1

Home
Tetsu-to-Hagané
Vol. 106 (2020), No. 4

Tetsu-to-Hagané Vol. 106 (2020), No. 4

Detection of Unbalanced Flow in CC Strand by Using Electromagnetic Sensor under the Principle of Magnetic Transformation of Steel

Hiroshi Harada , Masaki Nagashima , Tomohiro Konno , Masanori Yamana , Takehiko Toh

pp. 187-193

Readers Likes, Comments, Shares
PDF (J-STAGE) Share
Share it with SNS
Detection of Unbalanced Flow in CC Strand by Using Electromagnetic Sensor under the Principle of Magnetic Transformation of Steel

TwitterTweet
You can tweet with article title and URL.

FacebookShare
You can share URL of article published on line.

MendeleySave
You can save articles in your library.

BibTeX
You can download bibliographic data as BibTeX format.

RIS
You can download bibliographic data as RIS format.
Bookmark

You can use this feature after you logged into the site.
Please click the button below.

Log in / Sign Up
DOI:10.2355/tetsutohagane.TETSU-2019-089

Abstract

Electromagnetic sensor to detect the unbalanced flow in CC strand by using the magnetic transformation just below CC mold has been proposed, noticing that the narrow face of slab has been cooled at beneath of mold and surface temperature rapidly decreases to Curie temperature (Tc). Laboratory experiments have been performed to verify the principle of the proposed sensor, which is composed of primary and secondary solenoid coil. The obtained experimental results showed that the relationship between the surface temperature of slab and induced electric voltage could be explained by Curie-Weiss law, when AC magnetic field has been imposed on the slab surface. Moreover, plant tests have been conducted by installing the sensor just below the narrow face of mold. It can be found that the proposed sensor have potential to measure surface temperature under severe conditions and detect the unbalanced flow in CC strand.
Recommended Articles: Friction Property under Lubrication for Case Hardening Steel Subjected to Combined Thermomechanical Treatment with Excess Vacuum Carburizing and Subsequent Severe Plastic Deformation and Induction Hardening [ View more ]
x
Readers Who Read This Article Also Read
1. Friction Property under Lubrication for Case Hardening Steel Subjected to Combined Thermomechanical Treatment with Excess Vacuum Carburizing and Subsequent Severe Plastic Deformation and Induction Hardening Tetsu-to-Hagané Vol.106(2020), No.4
2. Evaluation of Hydrogen-induced Cracking Behavior in Duplex Stainless Steel by Numerical Simulation of Stress and Diffusible Hydrogen Distribution at the Microstructural Scale Tetsu-to-Hagané Vol.106(2020), No.4
3. Crystal Structure Analysis of Top Dross in a Molten Zinc Bath by First Principle Calculation and Synchrotron X-ray Diffraction Tetsu-to-Hagané Vol.106(2020), No.4
Friction Property under Lubrication for Case Hardening Steel Subjected to Combined Thermomechanical Treatment with Excess Vacuum Carburizing and Subsequent Severe Plastic Deformation and Induction Hardening

Kazuaki Okada , Koji Obayashi , Yoshikazu Todaka , Nozomu Adachi , Masatoshi Mitsuhara

pp. 194-204

Readers Likes, Comments, Shares
PDF (J-STAGE) Share
Share it with SNS
Friction Property under Lubrication for Case Hardening Steel Subjected to Combined Thermomechanical Treatment with Excess Vacuum Carburizing and Subsequent Severe Plastic Deformation and Induction Hardening

TwitterTweet
You can tweet with article title and URL.

FacebookShare
You can share URL of article published on line.

MendeleySave
You can save articles in your library.

BibTeX
You can download bibliographic data as BibTeX format.

RIS
You can download bibliographic data as RIS format.
Bookmark

You can use this feature after you logged into the site.
Please click the button below.

Log in / Sign Up
DOI:10.2355/tetsutohagane.TETSU-2019-082

Abstract

Friction property of the case hardening steel subjected to excess vacuum carburizing and subsequent severe plastic deformation and induction hardening was evaluated by the traction test. The purpose of this study is to clarify the effect of fine microstructure on the friction property, focusing on the interaction between the fine microstructure and the lubricating oil additives. The vacuum carburizing treatment is performed at the hyper-eutectoid composition of 1.0 mass% C. Subsequently, the carburized surface was formed the white layer by the surface-nanostructured wearing (SNW) process, and the specimen having the initial microstructure was subjected to induction hardening. The microstructure of the condition with SNW was finer compared to that with SNW-less. According to the traction test, traction coefficient (μ) in the specimen having the fine microstructure on the rolling contact surface decreased. Therefore, it was found that the decrease of μ could be achieved by the application of high-density lattice defects (grain boundaries in this study). After the test, the rolling contact surface of the specimen with fine microstructure became smooth, and the surface showed high reactivity with the lubricating oil additives and formed the compound film of Fe-O-P system having a fine, spherical morphology. The surface roughness was improved by the presence of the wear particles on the surface. Therefore, it was thought that the μ was decreased because the transition to a mild friction condition was caused due to the dispersion of the contact pressure.
Recommended Articles: Evaluation of Hydrogen-induced Cracking Behavior in Duplex Stainless Steel by Numerical Simulation of Stress and Diffusible Hydrogen Distribution at the Microstructural Scale [ View more ]
x
Readers Who Read This Article Also Read
1. Evaluation of Hydrogen-induced Cracking Behavior in Duplex Stainless Steel by Numerical Simulation of Stress and Diffusible Hydrogen Distribution at the Microstructural Scale Tetsu-to-Hagané Vol.106(2020), No.4
2. Crystal Structure Analysis of Top Dross in a Molten Zinc Bath by First Principle Calculation and Synchrotron X-ray Diffraction Tetsu-to-Hagané Vol.106(2020), No.4
3. Detection of Unbalanced Flow in CC Strand by Using Electromagnetic Sensor under the Principle of Magnetic Transformation of Steel Tetsu-to-Hagané Vol.106(2020), No.4
Crystal Structure Analysis of Top Dross in a Molten Zinc Bath by First Principle Calculation and Synchrotron X-ray Diffraction

Takeshi Konishi , Hideaki Sawada , Takashi Doi , Kohsaku Ushioda

pp. 205-213

Readers Likes, Comments, Shares
PDF (J-STAGE) Share
Share it with SNS
Crystal Structure Analysis of Top Dross in a Molten Zinc Bath by First Principle Calculation and Synchrotron X-ray Diffraction

TwitterTweet
You can tweet with article title and URL.

FacebookShare
You can share URL of article published on line.

MendeleySave
You can save articles in your library.

BibTeX
You can download bibliographic data as BibTeX format.

RIS
You can download bibliographic data as RIS format.
Bookmark

You can use this feature after you logged into the site.
Please click the button below.

Log in / Sign Up
DOI:10.2355/tetsutohagane.TETSU-2019-088

Abstract

In a molten zinc bath in a continuous galvanizing line, top dross particles crystallize as Fe₂Al₅ intermetallic compound containing Zn, which causes the surface defect of the final products by easily adhering to steel sheets. The present study focused on the analysis of crystal structure of the top dross by simultaneously exploiting first principle calculation and synchrotron X-ray diffraction of top dross prepared in a laboratory. The following results were obtained: The first principle calculation on top dross suggested that two Al atoms in the partially occupied four Al sites of Fe₂Al₅ based on the crystal structure proposed by Mihalkovič et al. were replaced by two Zn atoms. In addition, Al atoms in the two kinds of partially occupied Al sites in Fe₂Al₅ proposed by Burkhardt et al. was equally replaced by Zn atoms. The propose crystal structure of top dross was verified by the X-ray diffraction profile analysis using RIETAN-FP simulation as well as the experimentally determined lattice constant of Zn containing top dross.
Recommended Articles: Numerical Simulation on Effect of Microstructure on Hydrogen-induced Cracking Behavior in Duplex Stainless Steel Weld Metal [ View more ]
x
Readers Who Read This Article Also Read
1. Numerical Simulation on Effect of Microstructure on Hydrogen-induced Cracking Behavior in Duplex Stainless Steel Weld Metal Tetsu-to-Hagané Vol.106(2020), No.4
2. Evaluation of Hydrogen-induced Cracking Behavior in Duplex Stainless Steel by Numerical Simulation of Stress and Diffusible Hydrogen Distribution at the Microstructural Scale Tetsu-to-Hagané Vol.106(2020), No.4
3. Friction Property under Lubrication for Case Hardening Steel Subjected to Combined Thermomechanical Treatment with Excess Vacuum Carburizing and Subsequent Severe Plastic Deformation and Induction Hardening Tetsu-to-Hagané Vol.106(2020), No.4
Evaluation of Hydrogen-induced Cracking Behavior in Duplex Stainless Steel by Numerical Simulation of Stress and Diffusible Hydrogen Distribution at the Microstructural Scale

Gen Ogita , Koki Matsumoto , Masahito Mochizuki , Yoshiki Mikami , Kazuhiro Ito

pp. 214-223

Readers Likes, Comments, Shares
PDF (J-STAGE) Share
Share it with SNS
Evaluation of Hydrogen-induced Cracking Behavior in Duplex Stainless Steel by Numerical Simulation of Stress and Diffusible Hydrogen Distribution at the Microstructural Scale

TwitterTweet
You can tweet with article title and URL.

FacebookShare
You can share URL of article published on line.

MendeleySave
You can save articles in your library.

BibTeX
You can download bibliographic data as BibTeX format.

RIS
You can download bibliographic data as RIS format.
Bookmark

You can use this feature after you logged into the site.
Please click the button below.

Log in / Sign Up
DOI:10.2355/tetsutohagane.TETSU-2019-101

Abstract

Duplex stainless steels have ferrite and austenite microstructures, which have material properties that are different. The strength level and hydrogen diffusion constant of the phases are different; therefore, it is expected that the microscopic stress and hydrogen concentration distribution are inhomogeneous. Assuming that hydrogen-induced cracking occurs at locally stress-concentrated and hydrogen accumulated locations, it is important to take into consideration the influence of the microstructure in the evaluation of hydrogen-induced cracking. In order to observe crack locations at the microstructural scale, a slow strain rate test of hydrogen-charged specimen was performed and the cross section of the specimen was observed after the test. Hydrogen-induced cracks were mainly found in the ferrite phase. In order to clarify the contribution of the stress and hydrogen concentration distribution to the initiation of hydrogen-induced cracks, a numerical simulation was performed. A microstructural-based finite element model consisting of ferrite and austenite phases was designed based on the micrograph of the duplex stainless steel used. Stress–strain curves of the ferrite and austenite phase were set and macroscopic tension was applied to calculate the microscopic stress distribution. Incorporating the stress distribution into hydrogen diffusion simulation as one of driving forces, the microscopic distribution of hydrogen concentration was calculated. From the simulation results, stress concentration and hydrogen accumulation occurred at ferrite phase or ferrite/austenite boundary. This tendency corresponds closely to the experimentally observed results; therefore, the above approach can be applied to the evaluation of hydrogen-induced cracking at the microstructural scale.
Recommended Articles: Numerical Simulation on Effect of Microstructure on Hydrogen-induced Cracking Behavior in Duplex Stainless Steel Weld Metal [ View more ]
x
Readers Who Read This Article Also Read
1. Numerical Simulation on Effect of Microstructure on Hydrogen-induced Cracking Behavior in Duplex Stainless Steel Weld Metal Tetsu-to-Hagané Vol.106(2020), No.4
2. Friction Property under Lubrication for Case Hardening Steel Subjected to Combined Thermomechanical Treatment with Excess Vacuum Carburizing and Subsequent Severe Plastic Deformation and Induction Hardening Tetsu-to-Hagané Vol.106(2020), No.4
3. Crystal Structure Analysis of Top Dross in a Molten Zinc Bath by First Principle Calculation and Synchrotron X-ray Diffraction Tetsu-to-Hagané Vol.106(2020), No.4
Numerical Simulation on Effect of Microstructure on Hydrogen-induced Cracking Behavior in Duplex Stainless Steel Weld Metal

Gen Ogita , Koki Matsumoto , Masahito Mochizuki , Yoshiki Mikami , Kazuhiro Ito

pp. 224-234

Readers Likes, Comments, Shares
PDF (J-STAGE) Share
Share it with SNS
Numerical Simulation on Effect of Microstructure on Hydrogen-induced Cracking Behavior in Duplex Stainless Steel Weld Metal

TwitterTweet
You can tweet with article title and URL.

FacebookShare
You can share URL of article published on line.

MendeleySave
You can save articles in your library.

BibTeX
You can download bibliographic data as BibTeX format.

RIS
You can download bibliographic data as RIS format.
Bookmark

You can use this feature after you logged into the site.
Please click the button below.

Log in / Sign Up
DOI:10.2355/tetsutohagane.TETSU-2019-102

Abstract

Duplex stainless steels and their deposited weld metal have ferrite and austenite microstructure, which have material properties that are different. In addition, the microstructure of the base metal and weld metal are clearly different; therefore, it affects the hydrogen diffusion and accumulation, and hydrogen-induced cracking behavior at the microstructural scale. In this study, the influence of the microstructure on hydrogen-induced cracking behavior of duplex stainless steel weld metal was investigated. Specimens of duplex stainless steel weld metal were prepared and slow strain rate tensile test was performed after hydrogen charging. Cracks were observed at boundaries of ferrite and austenite phases. In order to clarify the stress and hydrogen concentration distribution at the microstructural scale, a microstructure-based finite element simulation was performed. A finite element model based on a cross sectional observation of the microstructure was designed to calculate the stress and hydrogen concentration distribution. The simulation result showed that the hydrogen accumulation occurs at ferrite/austenite boundaries, which corresponded to the locations where cracks were observed in the experiment. On the other hand, the hydrogen concentration at the accumulation site in the weld metal was low compared to that in the base metal. Therefore, the influence of the phase fraction and the stress-strain curves of the ferrite and austenite phases on the hydrogen concentration was investigated by the proposed numerical simulation. It was demonstrated that both the phase fraction and stress-strain curves have significant influence on the microscopic distribution of hydrogen concentration.
Recommended Articles: Evaluation of Hydrogen-induced Cracking Behavior in Duplex Stainless Steel by Numerical Simulation of Stress and Diffusible Hydrogen Distribution at the Microstructural Scale [ View more ]
x
Readers Who Read This Article Also Read
1. Evaluation of Hydrogen-induced Cracking Behavior in Duplex Stainless Steel by Numerical Simulation of Stress and Diffusible Hydrogen Distribution at the Microstructural Scale Tetsu-to-Hagané Vol.106(2020), No.4
2. Crystal Structure Analysis of Top Dross in a Molten Zinc Bath by First Principle Calculation and Synchrotron X-ray Diffraction Tetsu-to-Hagané Vol.106(2020), No.4
3. Friction Property under Lubrication for Case Hardening Steel Subjected to Combined Thermomechanical Treatment with Excess Vacuum Carburizing and Subsequent Severe Plastic Deformation and Induction Hardening Tetsu-to-Hagané Vol.106(2020), No.4

Article Access Ranking

22 Jan. (Last 30 Days)

Perspective toward Long-term Global Goal for Carbon Dioxide Mitigation in Steel Industry Tetsu-to-Hagané Vol.105(2019), No.6
In-Situ Observation Experimental Study on the Agglomeration and Dispersion of Particles at the Interface of High-temperature Melts ISIJ International Advance Publication
Review on the High-Temperature Thermophysical Properties of Continuous Casting Mold Fluxes for Highly Alloyed Steels Tetsu-to-Hagané Vol.107(2021), No.1
Effects of Residual Stress on Hydrogen Embrittlement of a Stretch-Formed Tempered Martensitic Steel Sheet ISIJ International Advance Publication
Development and Prospects of Refining Techniques in Steelmaking Process ISIJ International Vol.60(2020), No.12
In situ Observation of Reduction Behavior of Multicomponent Calcium Ferrites by XRD and XAFS Tetsu-to-Hagané Advance Publication
Preface to the Diamond Jubilee Issue on “Selected Topics in Iron and Steel and Their Processing toward the New Steel Age” ISIJ International Vol.60(2020), No.12
Intraparticle Temperature of Iron-Oxide Pellet during the Reduction Tetsu-to-Hagané Vol.60(1974), No.9
Improved Hydrogen Embrittlement Resistance of Steel by Shot Peening and Subsequent Low-temperature Annealing ISIJ International Advance Publication
Transformation from Ferrite to Austenite during/after Solidification in Peritectic Steel Systems: an X-ray Imaging Study ISIJ International Vol.60(2020), No.12

Tetsu-to-Hagané Vol. 106 (2020), No. 4

Detection of Unbalanced Flow in CC Strand by Using Electromagnetic Sensor under the Principle of Magnetic Transformation of Steel

Share it with SNS

Friction Property under Lubrication for Case Hardening Steel Subjected to Combined Thermomechanical Treatment with Excess Vacuum Carburizing and Subsequent Severe Plastic Deformation and Induction Hardening

Share it with SNS

Crystal Structure Analysis of Top Dross in a Molten Zinc Bath by First Principle Calculation and Synchrotron X-ray Diffraction

Share it with SNS

Evaluation of Hydrogen-induced Cracking Behavior in Duplex Stainless Steel by Numerical Simulation of Stress and Diffusible Hydrogen Distribution at the Microstructural Scale

Share it with SNS

Numerical Simulation on Effect of Microstructure on Hydrogen-induced Cracking Behavior in Duplex Stainless Steel Weld Metal

Share it with SNS

Article Access Ranking

Search Phrase Ranking