What are the names of 3 die casting surface defects?
能否说出3种压铸件表面缺陷？
In order to improve the abrasion-resistant on the casting surface, this paper has studied surface alloy-reinforced composites.
为了提高铸件表面的耐磨性，本文研究了合金增强表面耐磨复合材料。
Based on the digital image processing technique, a method for automatically measuring the three-dimensional parameters of casting surface roughness is put forward.
提出了一种用计算机对铸造表面粗糙度进行数字图像处理和三维参数自动检测的方法。
The strength, toughness and surface hardness of medium Manganese austenitic steel have been increased greatly by casting surface alloying and complex modification.
通过铸造表面合金化和复合变质处理，使中锰奥氏体钢的强度、韧性和表面硬度显著提高。
In order to improve the cold fatigue, hot fatigue and mechanical fatigue resisting performance of the moving blade, grain refinement is required for the casting surface.
为了提高动叶片的抗冷热疲劳和抗机械疲劳的性能，铸件表面需进行晶粒细化。
In order to improve the abrasion-resistant on the casting surface, the low-Cr cast iron matrix composite reinforced by WC particles in sand mold was made in the experiment.
为了提高铸件表面的耐磨性，实验以低铬铸铁为基体，WC颗粒为增强体，制备出颗粒增强表面耐磨复合材料。
Casting surface quality which is determined by casting parameters, affects the performance of mechanics and electrical conductivity.
铸件的表面质量影响着铸件的力学性能和导电性能，而表面质量与拉铸工艺参数有关。
Casting surface quality which is determined by casting parameters, affects the performance of mechanics and electrical conductivity.
铸件的表面质量影响着铸件的力学性能和导电性能，而表面质量与拉铸工艺参数有关。
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