合金的

Present research and future development of high-density tungsten alloys.

高密度钨合金的研究现状与发展趋势。

The particles of solid lubricant in the composite are distributed homogeneously and the interfaces of particles and matrix are well-combined.

该复合材料中固体润滑剂颗粒分布均匀，与基体合金的界面结合良好。

Microstructures of the hypereutectic Cu-1.7% Cr alloy and Cu-5.6% Cr alloy during the directional solidification were observed.

考察了Cu-1.7%Cr和Cu-5.6%Cr过共晶合金的定向凝固组织。

The results show that, Calcium is benefi- cial to increase the ignition point of AZ91D magnesium alloy.

稀土更有利于提高AZ91D镁合金的起燃温度。

The main factors that affect the performance of a cutting tool whilst machining super alloys are [6]: high hardness, Wear resistance, chemical inertness and fracture toughness.

影响切割刀具加工合金的主要因素是[ 6 ]：硬度高，耐磨性、耐腐蚀性和韧性。

Therefore, the comprehensive magnetic properties and intergranular exchange coupling interactions of the materials are strengthened.

上述结构可有效提高合金的磁性能，增强交换耦合作用。

ABSTRACT The plastic working of Fe〓Al intermetallic compound based alloy was studied in this dissertation.

本论文主要研究了Fe〓Al金属间化合物基合金的塑性加工问题。

Analysis results show that the increase in microhardness is related to the refining and uniform distribution of the intermetallic compounds.

分析结果表明，稀土元素镧可以细化钎料合金的微观组织，使金属间化合物分布更加均匀。

Considering the factors of microstructure, strength and plastic, 450℃ is the best isothermal forging temperature.

综合考虑显微组织、强度和塑性等因素，选取450 ℃为该合金的较佳等温锻造温度。

Development and application of magnesium alloys in China .

镁合金的开发和应用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。