Based on the heat exchange characteristic of permanent mould casting, the thermal resistance of coating level becomes the main thermal resistance of the heat transfer.
基于金属型铸造热交换的特点，涂料层的热阻成为传热的主要热阻。
The microstructure, hardness, wear resistance and thermal fatigue resistance of submerged -arc welded surfacing lay er in weld state and heat treatment state have been comparatively investigated.
比较研究了堆焊层在焊态和回火态的组织、硬度、耐磨性及抗热疲劳性能。
The alloying elements such as aluminum, chromium etc, which can increase the heat resistance of cast iron, can apparently increase the thermal fatigue resistance of cast iron.
加入提高抗氧化性的合金元素可显著提高铸铁的抗热疲劳性能。
应用推荐