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稀土铈对1Cr18Mn8Ni5N不锈钢力学性能的影响董方1,蔡国君2,储少军3(1.内蒙古自治区包头市内蒙古科技大学材料与冶金学院2.抚顺特殊钢股份有限公司,辽宁抚顺 1130013.北京科技大学 冶金与生态学院,北京 100083)摘 要:通过金相,扫描电镜观察,能谱分析和力学性能检测,研究了稀土Ce对1Cr18Mn8Ni5N不锈钢力学性能的影响.在相同的热处理工艺条件下,分别加入不同含量的稀土Ce,与不添加稀土Ce的1Cr18Mn8Ni5N不锈钢的力学性能进行比较.研究结果表明:稀土Ce加入量在适当的范围内......
; 文献标识码:A 文章编号:1672-7207(2008)01-0196-06 Analysis of ductility factor of full-web steel reinforced concrete... were deduced respectively by using existing plastic hinge calculation model. The curvature and displacement ductility factors of the composite columns under monotonous loading were obtained......
Toward the development of Mg alloys with simultaneously improved strength and ductility by refining grain size via the deformation processZhi Zhang1,Jing-huai Zhang1,Jun Wang2,Ze-hua Li1,Jin-shu...) alloys, as the lightest metal engineering materials, have broad application prospects.However, the strength and ductility of traditional Mg alloys are still relativity low and difficult to improve......
Nanoscale deformation of multiaxially forged ultrafine-grained Mg-2Zn-2Gd alloy with high strength-high ductility combination and comparison with the coarse-grained counterpartK.Li,V.S.Y.Injeti...)-high ductility(% elongation: 30%) combination. This combination of strength and ductility is excellent for the lean alloy, enabling an understanding of deformation processes in a formable high......
Enhanced compression ductility of stoichiometric NiAl at room temperature by Y and Cu co-additionXing-hao Du, Chong Gao, Bao-lin Wu, Yu-hua Zhao, and Ji-jie Wang School of Materials Science and Engineering, Shenyang Aerospace University, Shenyang 110136, China摘 要:The combined effects of (Y, Cu) on the microstructure and room-temperature mechanical......
J. Cent. South Univ. (2019) 26: 2318-2327 DOI: https://doi.org/10.1007/s11771-019-4176-6 Investigation of weld parameters on ductility, onion ring and fracture behaviour of friction stir welded...: Friction stir welding provides better retention of ductility and plasticity in comparison to fusion welding and it increases the stability against cracking. This study aims to enhance both the ductility......
Mechanism of improving ductility of high strength concrete T-section beam confined by CFRP sheet subjected to flexural loadingWANG Su-yan(王苏岩)1, WANG Ze-yuan(王泽源) 2(1. Faculty of Infrastructure... bending test. The effectiveness of confining CFRP sheet on improving the flexural ductility of unstrengthened T-section beams was studied. The parameters such as the width and the thickness of CFRP sheet......
Simultaneously improving strength and ductility through laminate structure design in Mg–8.0Gd–3.0Y-0.5Zr alloysJing Li,Mengjie Zhao,Li Jin,Fenghua Wang,Shuai Dong,Jie DongNational Engineering Research Center of Light Alloy Net Forming & State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University摘 要:The laminate structure was applied......
Oxide dispersion strengthened stainless steel 316L with superior strength and ductility by selective laser meltingYuan Zhong1,Leifeng Liu2,Ji Zou2,Xiaodong Li3,Daqing Cui1,Zhijian Shen11. Department of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University2. School of Metallurgy and Materials, University of Birmingham3. Department of Chemistry-Radiochemistry,University......
Cu/Nb纳米金属多层膜延性及断裂行为的尺寸效应张欣1,张金钰1,刘刚1,张国君1,孙军1(1.陕西省西安市西安交通大学金属材料强度国家重点实验室)摘 要:通过单轴拉伸实验并结合原位电阻测量法系统研究了恒定调制比下调制波长(λ=10-250 nm)对聚酰亚胺基体上Cu/Nb纳米金属多层膜延性和断裂韧性的影响.微观分析表明,Cu/Nb的调制结构清晰,不存在明显的互混现象.实验结果表明,随着调制波长的减小,多层膜的延性和断裂韧性均呈现非单调演变趋势,在调制波长为50 nm左右出现峰值.这是由于随着层厚的变化,脆性N......