n.可切性

The material cutability is described and evaluated with a target system and the fuzzy comprehensive evaluation method. 试图用指标体系来描述和评价材料的切削加工性。

During the dissolution diffusion bonding process, control of the heat is important to improve well cutability, besides using special alloy powder. 在铸件液膜溶解扩散焊修复工艺中，为保证修复部位良好的加工性能，除采用特制的合金粉末材料外，热过程的控制也是重要的因素。

The material cutability is described and evaluated with a target system and the fuzzy comprehensive evaluation method. A comparable comprehensive gradation can be obtained. 试图用指标体系来描述和评价材料的切削加工性．并借助模糊综合评判的方法予以评价，得出材料切削加工性的一个具有可比性的综合等级。

Based on the wear curves of tools, a longitudinal turning test method is established to judge the cutting capacity of tools and the cutability of metal materials. 在刀具磨损曲线的基础上，用纵车简速试验法来评定刀具的切削性能和金属材料的可切削性。

What is obtained with the forging waste heat normalizing and controlled cooling technique is the coarse stable structure in a 20CrMnTi gear, but its cutability is good. 余热正火和常规的正火处理后，再经同样的工艺进行渗碳、淬火和回火处理，试验证明：其渗层和心部的组织、晶粒度及机械性能均相同。

The mechanical properties, structures, cutability and wear-resistance of full-bainite ductile iron obtained by using three kinds of isothermal quenching processes were investigated. 研究了由三种热处理工艺获得的全贝氏体等温淬火球铁的机械性能、组织状态及切削加工性能和耐磨性能。