Microstructure of High Cr-Alloyed Sintered Steel Prediction and Analysis

被引：0
|
作者：
Shvab, Ruslan [1 ]
Hryha, Eduard [2 ]
Shykula, Petro [3 ]
Dudrova, Eva [1 ]
Bergman, Ola [4 ]
Bengtsson, Sven [4 ]
机构：
[1] Inst Mat Res SAS, Watsonova 47, Kosice 04001, Slovakia
[2] Chalmers, Dept Mat & Mfg Technol, SE-412 96 Gothenburg, Sweden
[3] Miba Sinter Slovakia Sro, Dolny Kubin, Slovakia
[4] HOganas AB, Hoganas, Sweden
来源：
METALLOGRAPHY XV | 2014年 / 782卷
关键词：
sintered steel; Thermo-Calc and JMatPro calculations; surface oxides; XPS analysis; NI; POWDERS;
D O I：
10.4028/www.scientific.net/MSF.782.473
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Study of microstructure of high Cr-alloyed sintered austenitic stainless steel was performed in few stages XPS analysis of powder surface, theoretical prediction of microstructure by Thermo-Calc and JMatPro software and metallographic observation of sintered material. XPS analysis showed presence of thin iron oxide layer on the surface of powder particles and oxide "islands" formed by Si, Mn and Cr. Theoretical prediction made by Thermo-Calc and JMatPro calculations showed presence of austenite with chromium carbides and carbonitrides in equilibrium state. Both predictions are in good agreement. Metallographic observation of sintered material showed that microstructure contains small austenitic grains with size of 3-5 mu m with fine carbides (1-2 mu m) and carbonitrides distributed mostly on grain boundaries. Metallographic study of material confirmed theoretical predictions.
引用
收藏
页码：473 / +
页数：2
相关论文
共 50 条
  • [1] Local Mechanical Properties of Cast and Sintered High Cr-Alloyed Steel
    Shvab, Ruslan
    Hvizdo, Pavol
    Dudrova, Eva
    Bergman, Ola
    Bengtsson, Sven
    LOCAL MECHANICAL PROPERTIES IX, 2014, 586 : 241 - +
  • [2] Cr-alloyed steel powders for high-strength sintered parts without heat treatment after sintering
    Unami, Shigeru
    Uenosono, Satoshi
    Ohta, Junichi
    Kawasaki Steel Technical Report, 2002, (47): : 55 - 59
  • [3] Cr-alloyed novel press-hardening steel with superior combination of strength and ductility
    Wei, Xiaolu
    Chai, Zhisong
    Lu, Qi
    Hu, Jun
    Liu, Zhongyi
    Lai, Qingquan
    Wang, Jianfeng
    Xu, Wei
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2021, 819
  • [4] Mechanical performance of Cr-alloyed PM steel after different sintering and heat treatment operations
    Bergman O.
    Chasoglou D.
    Dahlström M.
    Bergman, Ola (ola.bergman@hoganas.com), 2018, Elsevier Ltd (73) : 21 - 25
  • [5] Revealing excellent passivation performance of a novel Cr-alloyed steel rebar in carbonized concrete environment
    Zou, Gongnian
    Wang, Qiuyue
    Wang, Guowei
    Liu, Weiling
    Zhang, Sijie
    Ai, Zhiyong
    Chen, Huande
    Ma, Han
    Song, Dan
    JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T, 2023, 23 : 1848 - 1861
  • [6] Prediction of mechanical properties of Fe-Cr-Mo sintered steel in relationship with microstructure
    Ciripova, Lucia
    Hryha, Eduard
    Dudrova, Eva
    Vyrostkova, Anna
    MATERIALS & DESIGN, 2012, 35 : 619 - 625
  • [7] Low temperature oxidation of Cr-alloyed MoSi2
    E. Strm1
    Transactions of Nonferrous Metals Society of China, 2007, (06) : 1282 - 1286
  • [8] Low temperature oxidation of Cr-alloyed MoSi2
    Strom, E.
    Cao, Y.
    Yao, Y. M.
    TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, 2007, 17 (06) : 1282 - 1286
  • [9] On the Microstructure and Properties of a High Al-Alloyed 100Cr6 Steel
    Bambach, Margarita D.
    Stieben, Andreas
    Bleck, Wolfgang
    STEEL RESEARCH INTERNATIONAL, 2016, 87 (03) : 364 - 375
  • [10] Capsule-free hot isostatic pressing of sintered steel to full density using water atomised iron and Cr-alloyed powder consolidated by cold isostatic pressing
    Vattur Sundaram, Maheswaran
    Hryha, Eduard
    Ahlfors, Magnus
    Bergman, Ola
    Berg, Sigurd
    Nyborg, Lars
    POWDER METALLURGY, 2022, 65 (02) : 133 - 140
12345