Casehardening involves a change of surface properties to produce ahard,wear-resistant shell about a tough,fracture-resistant core.
表面硬化包含一个高硬度、


壳以及高韧
芯。
Casehardening involves a change of surface properties to produce ahard,wear-resistant shell about a tough,fracture-resistant core.
表面硬化包含一个高硬度、


壳以及高韧
芯。
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
试样具有高


重要原因是其在
损过程中诱发了马氏体相变,出现加工硬化现象。
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
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

。
This paper deals with the wear resistance and anti-seizing behavior of sulfonitrided high speed steel by comparing with that without sulfonitriding.
研究了高速钢经硫氮共渗
后


及抗咬合
,并与未经表面

试样进行了比较。
In this paper, the PVA of major component in the Sensitized emulsion was modified by the polyreaction with formaldehyde, butyl aldehyde, furfural and alcohol.
用甲醛、丁醛、糠醛对重氮感光胶中
主要成分聚乙烯醇进行改
,以增强感光胶
水
和

。
In order to strengthen its antifriction property, the material nature of the boards chooses a special formula of high molybdenum, high chromium and nickelic.
为增强其

,衬板采用
是高钼、高铬、高镍特种配方。
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