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study,the effect of aging heat treatment at 650,750,and 850?C on the impact toughness of 316L austenitic stainless steel,2205 duplex stainless steel and their weldments has been investigated.Welding...Effect of Aging on the Toughness of Austenitic and Duplex Stainless Steel WeldmentsOmyma Hassan Ibrahim1,Ibrahim Soliman Ibrahim2,Tarek Ahmed Fouad Khalifa31. Metallurgy Dept.,Nuclear Research Centre......
of 8 and 10 mm/s, the change seems to be unconspicuous (Figs. 2(c) and (d)). Fig. 2 SEM images of Ni-P/Ni-W-P duplex coatings before and after laser treatment 3.2 Effect of laser crystallization... protection, which provides the possibility for application of industrialized production. Key words: electroless plating; Ni-P/Ni-W-P duplex coating; laser treatment; adhesive wear; nanocrystallization 1......
MICROSCOPIC CORROSION STUDIES OF DUPLEX STAINLESS STEELS J.Pan1,C.Leygraf1,M.Femenia1 (1.Division of Corrosion Science, Department of Materials Science and Engineering, Royal Institute... processes of different Duplex stainless steels (DSS) in acidic chloride solutions. The techniques allow imaging of local dissolution events with micrometer resolution, as opposed to conventional......
modulus (b) and elongation (c) of TNTZF alloy after 550 ℃ single aging and ((400 ℃, 1 h)+550 ℃) duplex aging 3 结论 1) TNTZF合金双级时效硬度曲线基本处于在单级时效硬度曲线的上方.在550 ℃单级时效处理时,合金硬度随时效时间延长先升高后降低,时效1 h后硬度达到峰值,时效4...]. Transactions of Materials and Heat Treatment, 2009, 30(1): 100-103. [13] SANTHOSH R, GEETHA M, SAXENA V K, NAGESWAEAEAO M. Studies on single and duplex aging of metastable beta titanium alloy......
Microstructure Evolution of a Cold-rolled 25Cr-7Ni-3Mo-0.2N Duplex Stainless Steel during Two-step Aging TreatmentsTian LIANG,Xiaoqiang HU,Xiuhong KANG,Dianzhong LIShenyang National Laboratory for Materials Science,Institute of Metal Research,Chinese Academy of Sciences摘 要:A cold-rolled 25Cr-7Ni-3Mo-0.2N duplex stainless steel(DSS)has been aged in two......
60 min进行时效处理,通过定量金相,铁素体仪,EBSD等实验技术手段分析了双相不锈钢2205的相组成随时效时间和温度的变化情况.结果表明,2205双相不锈钢在950℃时效60 min后组织中存在σ相;随着时效温度的升高,铁索体的含量逐渐增加;随着时效时间的延长,铁素体的含量逐渐减少. 关键词:2205双相不锈钢; 时效处理; 铁素体; 2205 duplex stainless steel; aging treatment; ferrite; [全文内容正在添加中] ......
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Microstructural developments and precipitate transformation during transient liquid-phase bonding of a duplex stainless steelYUAN Xin-jian(袁新建)1,2, KANG Chung-Yun2(1. College of Materials Science... on microstructural developments and transformation of precipitates formed at the interface during transient liquid-phase bonding of a duplex stainless steel using a Ni-based amorphous insert alloy......
′相容易长大, 因此随炉缓慢加热到165℃进行时效的样品与第一级120℃, 6h时效后空冷(在室温停放10h)再在165℃时效(并相应地延长时效时间)的样品相比, 前者基体析出相的尺寸略微粗大, 见图5(c)和(d). 表2 7050合金各种条件的双级时效性能 Table 2 Properties of duplex-aged 7050 alloy under...40.2%IACS. 关键词: 7050铝合金; 双级时效; 挤压带板; 电导率; 析出相 中图分类号: TG146.2 文献标识码: A Effect of duplex aging on microstructure and properties of 7050 aluminium alloy TIAN Fu-quan, CUI Jian-zhong (The Key......
Effect of Heat Treatment on Microstructures and Properties of Near-Isothermally Forged TiAl Alloy Containing Minor Ni ZHOU Li1,ZHANG Jian-wei2,CHEN Sun-yuan1,LIU Chang-sheng1,YUAN Zhi-shan1,ZHANG Ji2 (1.School of Materials & Metallurgy, Northeastern University, Shenyang, China;2.Central Iron and Steel Research Institute, Beijing, China) 摘要:The heat treatment, including two steps, was proposed......