淬火水温对ZL210A合金显微组织及力学性能的影响
发布时间：2018-08-09 08:57
【摘要】：结合拉伸力学性能测试,采用光学显微镜(OM)、扫描电镜(SEM)、透射电镜(TEM)及能谱分析仪(EDS),研究淬火水温对ZL210A合金显微组织、拉伸断口形貌及力学性能的影响。结果表明:随淬火水温的升高,析出相不断聚集长大,晶粒内空白区域增大,无沉淀析出带变宽;合金的拉伸断口都存在明显的尺寸不等的韧窝,淬火水温为50℃的试样的拉伸断口韧窝尺寸较大且深,试样塑性较好;合金的抗拉强度、屈服强度、硬度和伸长率都随淬火水温的升高先增加后减少;当淬火水温为50℃时,合金的抗拉强度、屈服强度、硬度和伸长率达最大值分别为477 MPa、363 MPa、149 HV和3%。
[Abstract]:The effects of quenching water temperature on the microstructure, tensile fracture morphology and mechanical properties of ZL210A alloy were studied by means of (OM), scanning electron microscope (SEM), transmission electron microscope (TEM) and energy spectrum analyzer (EDS),). The results show that with the increase of quenching water temperature, the precipitate phase aggregates and grows continuously, the blank area in the grain increases, the precipitation band without precipitation becomes wider, and there are obvious dimples of different sizes on the tensile fracture surface of the alloy. The tensile fracture dimples of the specimens with quenching water temperature of 50 鈩，
本文编号：2173579
[Abstract]:The effects of quenching water temperature on the microstructure, tensile fracture morphology and mechanical properties of ZL210A alloy were studied by means of (OM), scanning electron microscope (SEM), transmission electron microscope (TEM) and energy spectrum analyzer (EDS),). The results show that with the increase of quenching water temperature, the precipitate phase aggregates and grows continuously, the blank area in the grain increases, the precipitation band without precipitation becomes wider, and there are obvious dimples of different sizes on the tensile fracture surface of the alloy. The tensile fracture dimples of the specimens with quenching water temperature of 50 鈩，
本文编号：2173579
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