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A New Maraging Stainless Steel with Excellent Strength-Toughness-Corrosion Synergy
Tian, Jialong; Wang, Wei; Shahzad, M. Babar; Yan, Wei; Shan, Yiyin; Jiang, Zhouhua; Yang, Ke; Wang, W (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
2017-11-01
Source PublicationMDPI AG
ISSN1996-1944
Volume10Issue:11Pages:-
AbstractA new maraging stainless steel with superior strength-toughness-corrosion synergy has been developed based on an innovative concept of alloy design. The high strength-toughness combination is achieved by forming dispersive nano-sized intermetallic compounds in the soft lath martensitic matrix with a slight amount of residual austenite. The good corrosion resistance is guaranteed by exactly controlling the Co content based on understanding the synergistic effect between Co and Cr. The fine structure characteristics of two dominant strengthening precipitations including Ni3Ti and Mo-rich phases were finely characterized associated with transmission electron microscope (TEM) and atom probe tomography (APT) analyses. The relationship among microstructure, strength and toughness is discussed. The precipitation mechanism of different precipitates in the new maraging stainless steel is revealed based on the APT analysis.; A new maraging stainless steel with superior strength-toughness-corrosion synergy has been developed based on an innovative concept of alloy design. The high strength-toughness combination is achieved by forming dispersive nano-sized intermetallic compounds in the soft lath martensitic matrix with a slight amount of residual austenite. The good corrosion resistance is guaranteed by exactly controlling the Co content based on understanding the synergistic effect between Co and Cr. The fine structure characteristics of two dominant strengthening precipitations including Ni3Ti and Mo-rich phases were finely characterized associated with transmission electron microscope (TEM) and atom probe tomography (APT) analyses. The relationship among microstructure, strength and toughness is discussed. The precipitation mechanism of different precipitates in the new maraging stainless steel is revealed based on the APT analysis.
description.department[tian, jialong] northeastern univ, sch mat sci & engn, shenyang 110004, liaoning, peoples r china ; [tian, jialong ; wang, wei ; shahzad, m. babar ; yan, wei ; shan, yiyin ; yang, ke] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china ; [jiang, zhouhua] northeastern univ, sch met, shenyang 110004, liaoning, peoples r china
KeywordMaraging Stainless Steel Alloy Design Strength And Toughness Corrosion Resistance Atomic Probe Tomography Precipitation Mechanism
Subject AreaMaterials Science, Multidisciplinary
Funding OrganizationYouth Innovation Promotion Association of Chinese Academy of Sciences [2017233]; Innovation Project of Institute of Metal Research [2015-ZD04]; National Natural Science Foundation of China Research Fund for International Young Scientists [51750110515]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78993
Collection中国科学院金属研究所
Corresponding AuthorWang, W (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Tian, Jialong,Wang, Wei,Shahzad, M. Babar,et al. A New Maraging Stainless Steel with Excellent Strength-Toughness-Corrosion Synergy[J]. MDPI AG,2017,10(11):-.
APA Tian, Jialong.,Wang, Wei.,Shahzad, M. Babar.,Yan, Wei.,Shan, Yiyin.,...&Wang, W .(2017).A New Maraging Stainless Steel with Excellent Strength-Toughness-Corrosion Synergy.MDPI AG,10(11),-.
MLA Tian, Jialong,et al."A New Maraging Stainless Steel with Excellent Strength-Toughness-Corrosion Synergy".MDPI AG 10.11(2017):-.
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