连续工作时 meaning in English
running hours
Examples
- In actual engineering applications , its wear resistance reduces due to the high temperature resulted from the continuous and heavy load service , which cannot fit the demand of engineering applications . based on the recent research throughout the world , in order to improve mechanical properties and wear resistance at high temperature of za27 alloy , si and mn are added to modify its microstructure . its microstructure and mechanical properties are tested and the sliding friction at ambient temperature and sliding friction at high temperature of znalsi and znaimn are studied
本文研究了za系合金中应用最广泛的za27合金，针对企业在工业应用过程中发现za27在中低速重载连续工作时，因温升造成耐磨性下降，难以满足工况要求的实际情况，为进一步提高其力学性能和高温耐磨性，结合国内外研究现状，在za27合金基础上，添加si 、 mn合金元素调整合金的组织，通过显微组织分析和常温机械性能测试，以探索znalsi及znalmn合金常温及高温滑动摩擦条件下的摩擦特性。