Casehardening involves a change of surface properties to produce ahard,wear-resistant shell about a tough,fracture-resistant core.

表面硬化包含一个硬度、性壳以及韧性芯。

The developed dual phase cast steel is applicable as scaleboard materials in a middle or smaller type of ball mill.

在给定低铬铸铁下试样条件下,当冲击载荷较小时,铸态复相钢具有良好冲击性。

The high wearing resistance of the samples after hydrocooling and air cooling was partially attributed to martensite transformation and work-hardening.

经水冷和空冷试样具有性重是其在损过程中诱发了马氏体相变,出现加工硬化现象。

PA has the good anti-homoiothermy, anti-weary and changes the strength, the anticreep, and the good wearability, bears the chemical agent.

PA具有良好抗恒温性、抗疲劳和应力、抗蠕变性、及较佳损性、化学剂性。

This paper deals with the wear resistance and anti-seizing behavior of sulfonitrided high speed steel by comparing with that without sulfonitriding.

研究了速钢经硫氮共渗处理后性及抗咬合性，并与未经表面处理试样进行了比较。

The car industry is happy to utilize this kind of recycled material for example as??hardwearing interior trim or as a cable conduit unit.

汽车业也乐意将这种再生材料用于内部装饰或是线缆导管装置。