查询词典 invar

There is a material which we call invar. It is made of different metals.''.'Invar'.

有一种我们称之为不胀钢的材料，它是由不同的金属制成的，膨胀和收缩均很少。

Iron are two classical Invar systems and have been subjected to much attention since the discovery of the Invar effect in them.

含铁65at％左右的面心结构FeNi合金和含铁75at％左右的FePt合金是两种典型的Invar合金，长期以来一直受到众多研究人员的重视。

Invar alloy ; annealing ; second annealing ; cold deformation ; microstructure ; mechanical properties

Invar合金；退火；二次退火；冷变形；显微组织；力学性能

Some experiments with different annealing temperature (800℃?900℃?1000℃),different deformation and different secondary annealing temperature(500℃?600℃) were carried out on the invar alloy.The microstructure and mechanical properties were observed and tested respectively,and the influence of the process parameters on them was analyzed.

针对实际生产中Invar合金抗跌落性能差的问题，对Invar合金试样进行了不同温度(80 0℃、90 0℃、10 0 0℃)的退火、不同变形量的冷变形及不同温度(5 0 0℃、6 0 0℃)的二次退火试验，并进行了显微组织观察和力学性能试验，分析各种工艺参数对Invar合金的组织和性能的影响。

To obtain a profound understanding of Invar effect, it is of necessity and also of much interest to investigate the reason for the differences between both systems.

典型地，FeNi合金的磁矩在Invar成份区显著地偏离Slater-Pauling曲线而在FePt合金中却没有观察到这种偏离。

Invar 36 is a kind of low expansion alloy, and it is difficult to machine because of its plastic, ductility and low heat conductivity. During Grinding, the part surface is easy to burn and wound for high grinding temperature and wheel adhesion.

Invar 36是一种低膨胀合金，其塑性大、韧性高、热导率低，磨削时所产生的磨削力大，磨削温度高，工件表面易于烧伤和划伤，对砂轮的粘附较严重，属于典型的难于加工材料。

In this thesis, moment-volume instability in Invar materials and induced transitions of atoms from high moment state to nonmagnetic state with elevating temperature are taken to understand composition- and temperature-dependence of investigated magnetic and elastic properties of 〓.

在本工作中，Invar材料中的磁矩—体积失稳以及由其产生的随温度升高从高磁矩态向非磁态的原子跃迁机制被用来理解〓的磁性和弹性的成份和温度依赖。

The thermochemical properties of rare earth Invar alloys were inverstigated by using a high temperature calorimeter.

Invar 合金是一类在正常温度范围内具有膨胀性随温度变化很小甚至不变之特性的合金材料，对IllV。

ABSTRACT Since the early finding of the Invar effect extensive experimental and theoretical activities have been initiated due to huge application potential of Invar materials and implied interesting physics.

由于因瓦材料巨大的应用价值以及其中蕴含的物理效应，Invar效应自其发现以来一直吸引着众多实验和理论工作者的注意。

In spite of many similarities there exist remarkable differences between FeNi and FePt Invar, which distinguish"soft"FeNi Invar from relatively"hard"FePt alloy.

除了许多相似之处，FeNi和FePt合金在很多方面还存在着显著的差别。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐