合金的

Metallography is the study of the microstructure of metals and alloys by means of the metallurgical microscope and the electron microscope .

金相学是用金相显微镜和电子显微镜对金属和合金的显微结构的研究。

The relationships between mechanical properties and microstructural parameters of fully lamellar Ti-46.5Al-2Cr-1.5Nb-1V alloys have been studied.

研究了全片层Ti-46.5Al-2Cr-1.5Nb-1V合金的显微组织与宏观力学性能之间的关系。

The results showed that the age-hardenability of the alloy decreases with increasing Mn content.

研究结果表明，随Mn含量的增加，合金的时效硬化性降低。

At the same time , it indicated that crystal type of ZrO2 was not cubic type that had to form under fast solidification , on the contrary , it became monotype due to effect of thermal stress .

综合试验与分析结果，首次建立了 WC陶瓷颗粒和 Z，0，陶瓷颗粒 N i 60自熔合金的激光熔覆层成形的物理模型。

Results indicate that Nb enhances oxidation resistance of the alloy.

结果表明，Nb的加入能够提高合金的高温抗氧化性。

Based on the biomechanical characteristics of memory alloy and determination of atlantoaxial data, a neotype shape memory alloy cervical hook was designed to treat

本科充分利用记忆合金的形状记忆效应和力学特性，通过对国人寰枢椎数据测定，自行设计了一种符合寰枢椎解剖学及生物力学特征的弹性颈椎夹钩。

The results indicate that the partial substitution of Cr for V is favourable for increasing the activation of TiMn-based alloys.

结果表明，Cr部分取代V能够提高TiMn基合金的活化性能，当Cr含量为0.01时，获得了397mAh／g的放电容量。

In this paper, based on the perpendicular test, the optimum brazing parameters were obtained.

这对于拓宽TiNi形状记忆合金的应用范围具有重要的现实意义。

Carbide formation law of Fe-38Ni-Mo-V-C series alloy has been studied with physical methods of magnetic and expansion property testing.

采用磁性能和膨胀性能测试的物理方法，研究了Fe-38Ni-Mo-V-C系合金的碳化物形成规律。

The plastic deformation behaviors of AZ91 magnesium alloy at high temperature are studied by experiments and computer simulation in this thesis.

本文通过实验和计算机模拟的方法研究了AZ91镁合金的高温变形行为。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。