共搜索到20810条信息，每页显示10条信息，共2081页。用时：0小时0分0秒727毫秒
. 关键词:Ti-Nb多孔合金；力学性能；碱处理 (Edited by YUAN Sai-qian) Foundation item: Project (2010FJ3132) supported by the Scientific and Technological Project of Hunan Science and Technology Commission, China..., 1992, 150(2): 404-417. [23] CHEN X B, NOURI A, HODGSON P D, WEN C E. Surface modification of TiZr alloy for biomedical application [J]. Advanced Materials Research, 2006, 15-17: 89-94. 碱处理及热处理对......
),对拟合出截距为0的直线(y=kx+0)来获得斜率,即可得到B1/5=292.6159,进而可知B=2.14531×1012,如图2所示. 因此,稳态应力时Ti-Nb合金的物理基表达式为: (8) 表1 Ti-Nb合金的相关材料参数[14-15] Table 1 Related material data of Ti-Nb alloy[14-15] 图1...数. 图7 在不同条件下Ti-Nb合金的实验应力值与预测应力值对比 Fig.7 Comparisons between predicted and experimental flow stress of Ti-Nb alloy under different deformation conditions 用式(20)和式(21)分别计算出所建立的三个物理基本构模型的Ear......
, WILLUMEIT R, PYCZAK F. Sintering behavior and mechanical properties of a metal injection molded Ti-Nb binary alloy as biomaterial [J]. Journal of Alloys and Compounds, 2015, 640: 393-400. [18] ZHANG...Trans. Nonferrous Met. Soc. China 29(2019) 1882-1888 Crack propagation behavior of inhomogeneous laminated Ti-Nb metal-metal composite Wen-juan CHENG1, Yong LIU1, Da-peng ZHAO2, Bin LIU1, Yan-ni TAN1......
of Ti-Nb alloys increase monotonously with increasing Nb content. when the Nb content is 9.87%, the tetragonal shear constant C′ of Ti-Nb alloy reaches nearly zero from positive, and meanwhile the alloy achieves the lowest phase stability and the lowest elastic modulus. Key words: Ti-Nb alloy; phase stability; elastic property; first-principles ......
of the Ti-22Nb and Ti-22Nb-2Zr/Hf alloys with the precipitation of α phase. Key words: Ti-Nb based alloys; biomedical Ti alloy; microstructure; wear behavior 钛和钛合金具有良好的力学性能,优异的抗腐蚀性和生物相容性,已成为人工关节,人工齿根等硬组织替代和修复...光学显微组织照片 Fig.3 Optical micrographs of Ti-22Nb-2Zr alloy: (a) Solution-treated; (b) As-aged 处理后与Si3N4球对磨时摩擦因数随磨损时间的变化规律.从图4可以看出,在实验开始阶段,所有试样的摩擦因数随实验时间的延长而急剧上升；摩擦因数达到最大值后,固溶态Ti-Nb合金的摩擦因数在随后的整个实验......
modulus, in which Ti-20Nb alloy shows the largest compression strength and Ti-5Nb alloy shows the best plasticity. The dry wear resistance of Ti-Nb alloys against Gr15 ball was investigated on CJS111A ball-disk wear instrument. For Ti-Nb alloys, Ti-10Nb alloy shows a smallest steady friction coefficient, Ti-5Nb alloy shows the smallest wear depth and best wear resistance, and Ti-15Nb alloy shows......
on the MIM Ti-22Nb specimens, especially around the closed-pores on the surface. Key words: metal injection molding; Ti-Nb alloy; surface topography; cell adhesion; cell proliferation 1 Introduction Owing... in the fabrication of Ti and Ti-6Al-4V alloy by MIM, but much fewer investigations on MIM β or near-β Ti alloys have been performed [12]. The first successful fabrication of a MIM Ti-Nb alloy......
Laser surface alloying fabricated porous coating on NiTi shape memory alloy ZHANG Song(张 松)1, ZHANG Chun-hua(张春华)1, 2, MAN Hau-chung(文效忠)3, LIU Chang-sheng(刘常升)2 1. School of Materials Science... on a solid NiTi shape memory alloy. By laser surface alloying a 40%TiH2-60%NiTi powder mixture on the surface of NiTi alloy using optimized laser process parameters, a porous but crack-free NiTi layer can......
be found. So, there is a demand for fabrication methods for bulk porous Ti of which the porosity, pore size and distribution, and mechanical properties can be controlled for biomedical applications[6... for the industrial production of porous Ti. The MIM process starts with the mixing of metal powder with one or more polymers to produce a feed-stock, followed by molding of the homogenized feedstock......
separation due to its excellent high-temperature oxidation resistivity. Fig.2 Maximum pore size alteration of porous TiAl alloy, porous Ni, Ti, and 316L stainless steel during cyclic oxidation... corrosion behavior of porous TiAl, Ti and 316L stainless steel follows the parabolic law. The total mass loss of porous TiAl alloy is only 14.8% and 5.57% that of the porous Ti and the stainless steel......
