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Laser beam welding of TA2 titanium sheetCHEN Yan-bin(陈彦宾), LI Li-qun(李俐群), ZHOU Shan-bao(周善宝), LEI Zheng-long(雷正龙)(National Key Laboratory of Advanced Welding Production and Technology,Harbin..., grains of the heated zone take on strong growing tendency. These features bring about some problems to the application of titanium and its alloys. The pulse wave laser beam was used for welding TA2......
input on microstructure and properties of welded joint of TA2 titanium alloy LIU Xi-lin, LI Bing, HU Guang-yuan, YAN Yang-yang, YAN Fei-hao, FAN Jin-wei (Luoyang Ship Material Research Institute... the welding was built. The results show that the weld heat input has little influence on the structure and properties of welded joint of 22 mm-thick TA2. Key words: TA2 titanium alloy; welded joint; weld......
,Qingdao 266580,China2. Ocean Research Center of Zhoushan,Zhejiang University,Zhoushan 316021,China)Abstract:To improve the abrasion resistance and corrosion resistance of TA2 titanium,a laser... transformation hardening,the surface of TA2 titanium can be nitrided at a low temperature of 430 ℃. Under this condition,the grains are refined. The increase in sub-structure and defect density is more......
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文章编号:1004-0609(2015)-11-3092-08 准静态和动态加载TA2工业纯钛受迫剪切破坏演化 付应乾1, 2,董新龙1,虎宏智1 (1. 宁波大学 机械工程与力学学院,宁波,315211； 2. 北京理工大学 机电学院,北京,100081) 摘 要:采用扁平闭合帽形试样,利用材料试验机(MTS)和分离式霍普金森压杆(SHPR)作为加载手段,结合数字图像相关法(DIC)和金相分析,研究准静态和动态加载下帽型试样发生受迫剪切的破坏特征和力学响应.结果表明:准静态加载下失效由塑性损伤累积导致的裂纹形成并扩展引起；动态加载下,失效模式为绝热剪切失效.准静态加载下,剪切变形区始终保持一定宽度；而动态加载下,剪切区宽度逐渐减小,直到高度局部化的绝热剪切带形成,且准静态加载剪切区宽度明显大于动态加载剪切宽度. 关键词:TA2钛合金；准静态；动态；裂纹；绝热剪切；剪切区宽度......
s-1 was carried out to determine the mechanical properties of titanium alloy tube. The material used was TA2 extruded tube in annealed condition with 2.0 mm in thickness, whose external diameter is 30... bulging test at high temperature is extremely necessary to evaluate directly the formability of titanium tube in HMGF process. 900 °C is the ideal forming temperature for TA2 extruded tube forming......
文章编号:1004-0609(2010)S1-s0950-03 TA2钛合金板的阳极氧化工艺 孙书英1,吴政道2,郭雪梅2,邓 超1 (1. 西部钛业有限责任公司,西安 710016； 2. 汉达精密电子科技有限责任公司,昆山 215300) 摘 要:研究TA2钛合金板的阳极氧化处理工艺,并提出一种以阳极氧化法为基础,结合网版印刷和蚀刻技术,在钛及其合金表面制备复杂颜色组合图案的工艺.结果表明:随着电解电压的升高,氧化钛膜的厚度增加,表面呈现出不同的颜色. 关键词:钛合金；阳极氧化；着色；图案 中图分类号:TG 177 文献标志码:A Anodization technique of TA2 titanium alloy plate SUN Shu-ying1, WU......
几何形状及尺寸如图1所示,零件内轮廓半径为R(23±0.5)mm,外轮廓半径为R(73±0.5) mm,中心角度为(100±1)o,两端部还有(7.5±0.2) mm的直线段. 图1 钛合金半管件形状及尺寸 Fig. 1 Shape and dimension of titanium alloy semi-pipe part (Unit: mm) 零件材料为钛合金TA2,壁厚为0.8 mm,壁厚变化率小于25%；零件材料的化学成分见表1,材料的力学性能见表2. 表1 TA2钛合金化学成分 Table 1 Chemical composition of TA2 titanium alloy (mass fraction, %) 表2 TA2钛合金力学性能 Table 2 Mechanical properties......
EXPERIMENTAL RESEARCH AND NUMERICAL SIMULATION OF LASER SHOCK FORMING OF TA2 TITANIUM SHEET Z.Q. Yao1,Q.L. Deng1,J. Hu1,F. Wang1 (1.School of Mechanical Engineering, Shanghai Jiao Tong University... of metal sheet was investigated with experiments and numerical simulation. The basic theories were introduced; the surface quality and deformation of the processed titanium sample (TA2) were examined......
Microstructure and Electrochemical Behavior of Laser Cladded HA Coating on Pure Titanium TA2臧全金,贺西京The 2nd Affiliated Hospital of Xi’an Jiaotong University摘 要:Hydroxyapatite (HA, Ca10(PO4)6(OH)2) coating was fabricated on pure Ti (TA2) by laser cladding technology. The phase structure, microstructure, microhardness and electrochemical behavior......
