共搜索到19412条信息,每页显示10条信息,共1942页。用时:0小时0分0秒543毫秒
, 1992, 48(11): 939-946. [3] YAN Yun-qi, ZHANG Zhen-qi, LUO Guo-zhen, et al. Microstructures observation and hot compressing tests of TiAl based alloy containing high Nb[J]. Materials Science... mechanism in high Nb containing TiAl alloy by elemental powder metallurgy[J]. Transactions of Nonferrous Metals Society of China, 2006, 16: 853-857. (编辑 赵 俊) 收稿日期:2013-07-28;修订日期:2013-10-10......
Chang-qing, WANG Zhi-hui, HUANG Zhen, WANG Jin-hui. Development of high temperature oxidation and protection of TiAl-based alloy[J]. The Chinese Journal of Nonferrous Metals, 2010, 20(6): 1116-1130. [6...: TiAl alloy; investment casting; interface reaction; oxidation resistance TiAl合金具有密度低,比强度高,蠕变抗性高和耐高温氧化性能好等优点,在航空航天领域具有广阔的应用前景[1-3].但是其室温塑性不足,850 ℃以上耐高温氧化能力不足,阻碍了TiAl合金的实用化进程.添加合金化元素在TiAl合金性能的改善中具有广泛的应用,如......
......
stainless steel in air at 600 ℃ According to Ref.[14], the high temperature oxidation of TiAl alloy as well as most kinds of metals follows the parabolic rate law or linear rate law. The parabolic rate... coefficients of TiAl porous alloy and porous 316L stainless steel Also, the porous TiAl intermetallic material shows superior high temperature oxidation resistance to porous 316L stainless steel......
TiAl合金板材的制备及研究现状 肖树龙1,陈玉勇1,杨非1,孔凡涛1 (1.哈尔滨工业大学,材料科学与工程学院,哈尔滨,150001) 摘要:本文综述了铸锭冶金和粉末冶金方法制备TiAl合金板材的工艺和国内外研究现状,介绍了铸轧技术,流延成形以及物理气相沉积等方法制备TiAl合金板材的工艺过程和材料性能,论述了上述方法的特点和发展趋势. 关键词:TiAl合金板材; 铸锭冶金; 粉末冶金; 发展趋势; [全文内容正在添加中] ......
particles reinforced two-phase TiAl-based composites were prepared by pressure-assisted high-temperature reaction sintering of Ti-Al-TiO2-Nb2O5 system. The microstructure and mechanical properties...: two-phase TiAl alloy; Al2O3; in situ reaction; microstructure; mechanical property; toughening mechanism  ......
......
......
......
TiAl基合金的超塑性力学性能 鲁世强1,张俊红2,黄伯云2,唐建成2,贺跃辉2 (1.南昌航空工业学院材料科学与工程系,南昌,330034;2.中南大学粉末冶金国家重点实验室,长沙,410083) 摘要:超塑性力学性能是合理制定超塑性成形工艺和正确选用模具材料的理论依据.总结了国内外在TiAl基合金超塑性研究中所获得的各种条件下的超塑性力学性能.内容包括应变速率敏感性因子,超塑性延伸率和典型的真应力一真应变关系.最后,对TiAl基合金超塑性成形的应用前景进行了展望. 关键词:TiAl合金; 超塑性; 力学性能; [全文内容正在添加中] ......