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S32205双相不锈钢中σ相的析出及其对力学性能的影响刘复兴1,2(1.山西省太原市先进不锈钢材料国家重点实验室2.山西省太原市山西太钢不锈钢股份有限公司)摘 要:对S32205双相不锈钢在850℃进行时效处理,采用光镜,扫描电镜,能谱仪,硬度和拉伸测试等手段研究了σ相的析出规律及其对力学性能的影响.结果表明:时效15 min后σ相开始沿γ/α或α/α晶界析出,并向铁素体一侧长大,其析出反应为铁素体发生转变形成σ相和γ2相;时效时间延长,σ相的析出量增加,时效240 min后σ相的含量达到18%,并导致双相不锈......
Experimental determination of mechanical properties and short-time creep of AISI 304 stainless steel at elevated temperaturesJosip Brnic1,Ji-tai Niu2,Goran Turkalj1,Marko Canadija1,Domagoj Lanc11... properties of AISI 304 stainless steel were studied.Basic data about the employed experimental equipment,testing procedures,and specimen geometry were given.The experimental setup was used to obtain stress......
SCC of Stainless Steel Furnace Tubes in a Heating Furnace朱自勇,周向阳,顾建繁,柯伟摘 要:<正> Some furnace tubes made of the austeniticstainless steel 1Cr18Ni9Ti for heating crude oil ex-hibited leakage and were on fire in a refinery.Cor-rosion failure analysis was conducted to explore thecause of failure.Macro-and microexamination in-dicated the failure......
Effects of Lead on the Initial Corrosion Behavior of 316LN Stainless Steel in High-Temperature Alkaline SolutionJia-Min Shao1,Cui-Wei Du1,Xin Zhang2,Li-Ying Cui11. Corrosion and Protection Center... on the initial corrosion behavior of 316 LN stainless steel has been investigated by U-bend immersion experiments in 4 wt% NaOH solutions at 300 °C. Follow-up studies after soaking were carried out......
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... have been developed in order to solve these problems.In this paper,based on the development of a new Fe-Cr-Mn-Mo-N type high nitrogen nickel-free austenitic stainless steel,properties......
Effect of Temperature and Cl- Concentration on Pitting of 2205 Duplex Stainless Steel董超芳Corrosion and Protection Center, University of Science and Technology Beijing摘 要:The electrochemical behaviors of 2205 duplex stainless steel in NaCl solution with different temperatures and concentrations were studied by gravimetric tests, potentiodynamic......
2006 Abstract: Using sheathed extrusion technique, the bonding and forming of semi solid aluminum alloy with stainless steel sheath are successfully realized. The relationship between the interfacial... is obtained when solid fraction of aluminum alloy is 30%, solid phase and liquid phase of the semi solid aluminum alloy are bonded with stainless steel by turns along the interface, and the aluminum......
Electrochemical Behavior of Niobium Electrodeposited 316 Stainless Steel Bipolar Plate for PEMFC in Choline Chloride Based Ionic Liquids曹彩红,梁成浩,HUANG NaibaoTransportation Equipment and Ocean Engineering College, Dalian Maritime University摘 要:Niobium was electrodeposited on 316 stainless steel bipolar plates of a fuel cell in water and air-stable choline......
冶炼方法和热处理工艺对0Cr12Mn5Ni4Mo3Al高强不锈钢带力学性能和组织的影响孙永庆1,梁剑雄1,杨志勇1,宋为顺1(1.北京市钢铁研究总院结构材料研究所)摘 要:研究了热处理对采用电炉+炉外精炼(LF)+电渣重熔冶炼的工业用和实验室50 kg真空感应炉+电渣重熔冶炼的试验用0Cr12Mn5Ni4Mo3Al高强度不锈钢带(0.8 mm和0.5 mm)的力学性能和组织的影响.结果表明,实验室得到的钢材更为洁净,组织中保留有合理的残余奥氏体含量;与采用同样热处理制度的工业钢带相比,在保持或提高伸长率的同时,......
冷却速率对00Cr25Ni7Mo4N超级双相不锈钢析出相的影响王晓峰1,陈伟庆1,郑宏光2(1.北京市北京科技大学 冶金与生态工程学院2.宝钢研究院不锈钢技术中心,上海 201900)摘 要:利用热膨胀仪测定了00Cr25Ni7Mo4N超级双相不锈钢的CCT曲线,结合金相法,显微硬度法,X射线衍射法分析了冷却速率对00Cr25Ni7Mo4N超级双相不锈钢σ析出相的影响.结果表明,00Cr25Ni7Mo4N双相不锈钢热处理或热加工温度应控制在1 050℃以上;冷却速率越小,σ相析出量越多,显微硬度也越高;钢在冷却......
