Insights into the behaviour of tool steel-aluminium alloy tribopair at different temperatures
Insights into the behaviour of tool steel-aluminium alloy tribopair at different temperatures
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DOI：
10.1016/j.triboint.2017.11.041
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发表时间：
2018-03
影响因子：
6.2
通讯作者：
E. Huttunen-Saarivirta;Lauri Kilpi;T. Hakala;J. Metsäjoki;H. Ronkainen
中科院分区：
文献类型：
--
作者：
E. Huttunen-Saarivirta;Lauri Kilpi;T. Hakala;J. Metsäjoki;H. Ronkainen
研究了6082铝合金与H13工具钢摩擦副在室温和高温下的摩擦磨损性能。在510 MPa的接触压力下，工具钢的磨粒磨损是观察到的主要退化机制。在810 MPa的接触压力下，铝合金在350 °C时发生严重的粘着磨损，而在所有其他温度下，工具钢的磨粒磨损占主导地位。氧化大大增加了工具钢的磨损，随着测试温度的升高，材料损失也会增加。从钢盘释放的一些磨损碎屑积聚在销表面上，并形成能够塑性变形的釉层。
Friction and wear of a tribopair: aluminium alloy 6082 and tool steel H13, were studied at room temperature and elevated temperatures corresponding to hot forming of aluminium alloys. At the contact pressure of 510 MPa, abrasive wear of the tool steel was the main degradation mechanism observed. At the contact pressure of 810 MPa, galling, i.e., severe adhesive wear of the aluminium alloy occurred at 350 °C, while at all other temperatures, abrasive wear of the tool steel dominated. Oxidation greatly enhanced wear of the tool steel, yielding greater material losses with increase in test temperature. Some of the wear debris that was released from the steel discs accumulated on the pin surfaces and formed a glaze layer capable of plastic deformation.