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Q345R钢板超声波探伤不合的原因分析谭清元1,周远华2,贾至立1,吴巍2(1.北京市钢铁研究总院冶金工艺研究所2.重庆钢铁股份有限公司,重庆 400084)摘 要:为找出Q345R钢板超声波检测不合原因,采用低倍,金相,扫描电镜检验和断口形貌分析对探伤不合钢板进行研究,发现引起探伤不合的主要原因是钢板中心存在微裂纹,微裂纹产生的原因在于心部条状MnS,氮化物夹杂的聚集以及马氏体,贝氏体硬性组织的出现.关键词:Q345R钢板; 超声波探伤; 微裂纹......
Microstructure and Mechanical Properties of 1,000 MPa Ultra-High Strength Hot-Rolled Plate Steel for Coal Mine Refuge ChamberChangsheng Li,Biao Ma,Tao Li,Tao ZhuState Key Laboratory of Rolling and Automation, Northeastern University摘 要:The 1,000 MPa ultra-high strength hot-rolled plate steel with low-carbon bainitic microstructure was developed......
Corrosion Mechanism of Corrosion-Resistant Steel Developed for Bottom Plate of Cargo Oil TanksFeilong SUN1,Xiaogang LI1,2,Fan ZHANG1,Xuequn CHENG1,2,Cheng ZHOU3,Nianchun WU4,Yuqun YIN4,Jinbin ZHAO41..., University of Science and Technology Beijing4. Research Institute, Nanjing Iron & Steel Co., LTD.摘 要:A new type of corrosion-resistant steel consisting of ferrite......
]. Metals and Materials International, 2017, 23(4): 805-812. [3] CHEN G, LI J T, YU H L, SU L H, XU G M, PAN J S, YOU T, ZHANG G, SUN K M, HE L Z. Investigation on bonding strength of steel/aluminum clad... A, KHVIST V, SCHAPER M. Numerical analysis of the twin-roll casting of thin aluminum-steel clad strips [J]. Forschung Im Ingenieurwesen, 2014, 78(3-4): 121-130. [13] LEE Y S, KIM H W, CHO J H, CHUN S H......
Microstructure Characterization of High-heat-input Welding Joint of HSLA Steel Plate for Oil Storage ConstructionWeihua Sun 1,2)? , Guodong Wang 1) , Jiming Zhang 2) , Dianxiu Xia 2) and Hao Sun 2) 1) State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, China 2) R & D Center, Jinan Iron and Steel Group Co., Ltd., Jinan 250101, China摘 要:
Titanium effect on the microstructure and properties of laminated high boron steel platesLin-lin Yuan1,Jing-tao Han1,Jing Liu1,Dong-bin Wei2,Mehari Zelalem Abathun11. School of Materials Science.... A uniform microstructure can be formed by adding titanium to boron steel. In this study, casting and hot rolling were used to fabricate laminated high-boron steel plates whose cores contained 2.25wt......
Effect of Yttrium on Microstructure and Hot Corrosion Preformance of Laser Clad Co-Based Alloy张松,王茂才,颜永根,吴维(山文),朱荆璞摘 要:<正> The structure of the yttrium modified Co-base alloy layers formed by laser cladding on 2Cr13 and1Cr18Ni9Ti steel surfaces and its hot corrosion performance have been investigated systematically.The re-sults show that the Y......
Effects of thermohydrogen treatment on microstructures
of α+β and β titanium alloy as-cast
ZHAO Yong-qing(赵永庆), CAO Xing-min(曹兴民), XI Zheng-ping(奚正平)
Northwest Institute for Nonferrous Metal...: titanium alloy; thermohydrogen treatment; microstructure
Article ID: 1003-6326(2005)05-1156-05
Preparation of titanium dioxide/silver sulfate powder and its antibacterial activity
PENG Bing(彭 兵), YUAN Chun(苑 春), CHAI Li-yuan(柴立元),
WEI Shun-wen(韦顺文), YU Yan-fen(于延芬), SU Wei-feng(苏维丰)
(School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China)
Abstract: Antibacterial powders of titanium dioxide......Preparation of titanium dioxide/silver sulfate powderand its antibacterial activity
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来源: 《中国有色金属学报(英文版)2005年第5期》——彭兵 苑春 柴立元 韦顺文 于延芬 苏维丰
Hot deformation behavior and microstructure evolution of TC4 titanium alloy SUN Sheng-di(孙圣迪), ZONG Ying-ying(宗影影), SHAN De-bin(单德彬), GUO Bin(郭 斌) School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China Received 23 October 2009; accepted 25 August 2010 Abstract: The hot deformation behavior of Ti-6Al-4V (TC4) titanium alloy was investigated......