【摘要】 报道了经激光处理后硬质合金表面抗弯性能的提高及其与钴相结构的关系。讨论了能量密度与抗弯强度的关系。通过YG2 0硬质合金经激光处理后表面结构的变化 ,分析了显微硬度、耐磨性、韧性等提高的原因 ,给出了相关的实验结果。更多还原

【Abstract】 This paper reported the bending strength improvement with relation to cobaltic phase structure of laser heat treatment in the surface of cemented carbide. The change of surface structure of YG20 cemented carbide was analyzed. The energy density with relation to bending strength are discussed. The microhardness, wear resistance, toughness of cemented carbide are improved. Some experimental results were given.更多还原