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Article ID: 1003-6326(2005)05-1108-05 Effects of micro-alloying with Sc and Mn on microstructure and mechanical properties of Al-Mg based alloys CHEN Xian-ming(陈显明)1, LUO Cheng-ping(罗承萍)1, PAN... University,Changsha 410083, China) Abstract: An extensive investigation was made on the effects of micro-alloying with small amounts of Sc and Mn on the microstructure and mechanical properties......
Effect mechanisms of micro-alloying element La on microstructure and mechanical properties of hypoeutectic Al-Si alloysQiuju Zheng1,2,Lili Zhang1,Hongxiang Jiang1,Jiuzhou Zhao1,2,Jie He1,21... earth influence on the as-cast micro structures and mechanical properties of aluminum alloys attracted great attentions in the last decades.But up to date no reports can be found on the effect......
Engineering and Mechanics College, Xiangtan University, Xiangtan 411105, China; 3. Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan) Abstract: By micro-alloying technology, Fe... are in the range of 1.10?1.25 T, 3?6 A/m, 184?206 GPa, 1.6%?2.0% and 3 227?3 484 MPa, respectively. Based on the experimental results, the effects of micro-alloying on GFA, soft-magnetic and mechanical......
Effect of Chromium Micro-alloying on the Corrosion Behavior of a Low-carbon Steel Rebar in Simulated Concrete Pore Solutions宋丹1,2,3,4,蒋金洋1,孙伟1,MA Han5,ZHANG Jianchun5,CHENG Zhaojun3,JIANG Jinghua3,AI... and fabricated by chromium micro-alloying. The effects of Cr on the passivation and corrosion behavior of this rebar in the simulated concrete pore solutions were studied systematically, and its......
Effect of vanadium micro-alloying on the microstructure evolution and mechanical properties of 718H pre-hardened mold steelHanghang Liu1,2,3,Paixian Fu1,3,Hongwei Liu1,3,Chen Sun1,2,3,Ningyu Du1,2,3,Dianzhong Li1,31. Institute of Metal Research,Chinese Academy of Sciences2. School of Materials Science and Engineering,University of Science and Technology of China3. Shenyang National Laboratory......
汽车大梁钢K610L在昆钢炉卷轧机上的研发与生产张志波1,张红斌1,张瑜1,杨春雷1,张卫强1,李金柱1(1.云南省昆明市昆明钢铁股份有限公司技术中心)摘 要:研究了在昆钢特有的双机架紧凑式炉卷轧机上开发和生产高强度汽车大梁钢K610L的工艺.通过合理的Nb-Ti复合成分设计和各工序生产工艺试验与优化,生产出满足重型载货汽车制造厂要求的K610L高强度汽车大梁钢.结果表明,昆钢利用炉卷轧机生产的K610L具有较高的抗拉强度,良好的韧性,优异的冷弯成型性能和较好的自然时效性.关键词:炉卷轧机； 高强......
中碳微合金化钢高温延塑性的研究龚雅林1,张炯明1,甄新刚1,陈少东1,姚永宽2,王道远2(1.北京市北京科技大学 冶金与生态工程学院2.南京钢铁集团中厚板卷厂,江苏南京 210035)摘 要:借助Gleeble1500热模拟试验机测试了含Nb和含Nb,Ti两种中碳微合金化钢的高温力学行为,分析了析出物,相变,动态再结晶对微合金化钢高温延塑性的影响.结果表明:试验钢种无第Ⅱ脆性区出现;含Nb钢第Ⅲ脆性区的温度范围为950~700℃,含Nb,Ti钢第Ⅲ脆性区的温度范围为900~725℃;微合金化元素Ti的加入可以细......
words: bulk metallic glasses; glass forming ability; micro-alloying (GFA); mechanical properties 因金属玻璃的玻璃形成能力(Glass forming ability,GFA)和力学性能对其成分的变化非常敏感,微合金化在金属玻璃中的作用引起广泛关注,并获得 了许多研究成果[1-7].添加微量元素可以有效地...志码:A Effects of minor alloying additions on glass forming ability and mechanical properties of Cu-Zr-Al bulk metallic glasses PAN Ye1, JI Xiu-lin1, 2, PI Jing-hong1, ZHANG Lu1 (1......
Ti和Nb微合金化对超纯11%Cr铁素体不锈钢组织的影响刘静1,罗兴宏1,胡小强1,刘实1(1.辽宁省沈阳市科学院金属研究所)摘 要:结合实验研究和热力学计算对不同间隙元素含量下Ti和Nb微合金化对超纯11%Cr铁素体不锈钢铸态,轧态和焊接热影响区(HAZ)的影响进行了研究和分析.研究结果表明:钢中间隙元素含量在0.0163%时Ti和Nb微合金化效果较好,在相同的轧制工艺下可获得更好的轧态组织,相同焊接工艺条件下HAZ晶粒尺寸也较细小.分析表明:在相同的凝固条件下,随着C和N含量的提高及Ti和Nb的加入,固/液......
微量钒对超低碳BH钢退火再结晶动力学和组织的影响陈超1,史文1,吴学亮1,王华1,高永军1,李麟1(1.上海市上海大学材料科学与工程学院)摘 要:对添加微量钒的含钛超低碳烘烤硬化钢再结晶动力学和组织进行了研究.结果表明,加钒缩短了再结晶转变过程,同时降低了退火温度对再结晶转变曲线的影响且细化晶粒.添加钒元素使再结晶激活能Q值显著降低,表明含钒钢可降低再结晶退火温度,有节能降耗意义.此外加钒对热轧组织和再结晶组织均有良好影响.关键词:超低碳烘烤硬化钢； 钒微合金化； 再结晶激活能； 显微组织......
