研究了H13钢高能喷丸辅助双保温固体渗硼试样和未渗硼试样的高温摩擦磨损性能,并探讨了磨损机理.结果表明,高能喷丸辅助双保温固体渗硼后的试样得到Fe2B单相渗硼层,高能喷丸能显著提高固体渗硼效率;渗硼试样的高温磨损率比未渗硼试样降低了30％,表明渗硼提高了H13钢的高温耐磨损性能.渗硼和未渗硼试样高温摩擦磨损后磨损表面均形成了氧化层,氧化物为Fe2O3.渗硼层在高温下具有较高的硬度及良好的抗氧化性,因此渗硼试样的高温磨损机理主要是渗硼层的疲劳剥落和氧化磨损,而未渗硼试样的高温磨损机理主要为氧化磨损和磨粒磨损协同机制.
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