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In vitro Study on a New High Nitrogen Nickel-free Austenitic Stainless Steel for Coronary StentsYibin Ren 1),Peng Wan 1,2),Feng Liu 1,2),Bingchun Zhang 1) and Ke Yang 1) 1) Institute of Metal...,the presence of high quantity of nickel and/or cobalt elements in these materials,which are known to trigger the toxic and allergic responses,has caused many concerns.Nickel-free austenitic stainless steels......
austenitic structure in medical stainless steels is basically required for surgical implantation. A weak magnetism was found in a high nitrogen nickel-free austenitic stainless steel for cardiovascular stent...Analysis of Magnetism in High Nitrogen Austenitic Stainless Steel and Its Elimination by High Temperature Gas NitridingPeng Wan1, 2), Yibin Ren 1), Bingchun Zhang 1) and Ke Yang 1) 1) Institute......
Dependence of corrosion resistance on grain boundary characteristics in a high nitrogen CrMn austenitic stainless steelJianjun Qi1,Boyuan Huang2,Zhenhua Wang1,3,Hui Ding4,Junliang Xi4,Wantang Fu11...(tension, compression, and rolling) and annealing were designed and carried out for 18Mn18Cr0.6N high nitrogen austenitic stainless steel. The grain boundary characteristic distribution was obtained......
Intergranular corrosion behavior of high nitrogen austenitic stainless steelHua-bing Li, Zhou-hua Jiang, Zu-rui Zhang, Yang Cao, and Yan Yang School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China摘 要:The intergranular corrosion (IGC) behavior of high nitrogen austenitic stainless steel (HNSS) sensitization treated at 650-950......
不锈钢控氮理论计算与实践杜晓建1,刘晓1,陈雷1,王龙妹1(1.北京市钢铁研究总院冶金工艺研究所)摘 要:采用不同的氮在钢中的溶解度公式,计算了两种含氮不锈钢冶炼时所需要的氮气压力,并在50kg真空感应炉上,通过改变氮气压力,对两种不锈钢进行了氮含量控制实践.结果表明,采用Fujio测定值的理论计算值与试验实测值吻合度较高,同时给出了钢中氮含量的理论计算公式. 关键词:氮含量； 奥氏体不锈钢； 双相不锈钢......
Investigations on the Corrosion Behaviour and Structural Characteristics of Low Temperature Nitrided and Carburised Austenitic Stainless Steel Chr.Eckstein1,H.-J.Spies2,H.Biermann2,D.M3 (1.Corrosion laboratory, Steel-Centre-Freiberg (SZF;2.u;3.u)nter(u) 摘要:The wear resistance of austenitic stainless steels can be improved by thermo-chemical surface treatment with nitrogen and carbon. However......
under nitrogen and nickel ions immersion. Vickers’ hardness as high as Hv1268 is obtained. The bombarded stainless steel is of a little reduction in corrosion resistance, as compared with the original... E. Corrosion behaviour of stainless steels after plasma and ammonia nitriding [J]. Surf Eng, 1989, 5(22): 151-157. [7] BELL T, SUN Y. Low-temperature plasma nitriding and carburising of austenitic......
A Hybrid Low Temperature Surface Alloying Process for Austenitic Stainless Steels Y.Sun1 (1.School of Materials Engineering, Nanyang Technological University, Singapore 639798) 摘要:This paper describes a novel, hybrid process developed to engineer the surfaces of austenitic stainless steels at temperatures below 450℃ for the improvement in wear and corrosion resistance. The process is carried......
, it was developed rapidly in producing ferrous metal. Now industrialization of common steel and special steel produced by horizontal continuous casting have been achieved [1]. Austenitic stainless steels possess... austenitic stainless steel ZHOU Shu-cai(周书才)1, 2, BAI Chen-guang(白晨光)1, LEI Ya(雷 亚)2, REN Zheng-de(任正德)2, CAO Peng-jun(曹鹏军)2, YANG Zhi-li(杨治立)2 (1.College of Material Science and Engineering, Chongqing......
the oxidized layer is very thick. Thus, high-temperature annealing should include bright annealing. Key words: 304 austenitic stainless steel; work hardening; annealing softening; deformation twinning... to study the changes in microstructures and properties and the relating mechanisms of 304 austenitic stainless steels after work-hardening and annealing-softening. 2.1 Materials and sample In this work......
