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选择性激光烧结Al_(2)O_(3)/PA12复合材料的力学性能和热性能研究 被引量:7

Mechanical and Thermal Properties of The Selective Laser Sintering of Al_(2)O_(3)/PA12 Composites
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摘要 采用选择性激光烧结法制备出不同Al_(2)O_(3)含量的PA12基复合材料,然后对其力学性能和热稳性能进行了研究,结果表明复合材料的拉伸强度和缺口冲击强度随着Al_(2)O_(3)含量的增加逐渐降低;储能模量的情况则相反呈现出不断增加的趋势,热稳定性测试显示Al_(2)O_(3)的加入使复合材料的最大热分解温度显著向低温方向上移动,但进一步增加Al_(2)O_(3)含量几乎不影响复合材料的热稳定性。 The selective laser sintering method was used to prepare PA12-based composites with different Al_(2)O_(3)content,and then the mechanical properties and thermal stability were studied.The results show that the tensile strength and notched impact strength of the composites gradually decrease with the increase of Al_(2)O_(3)content,while the case of storage modulus is the opposite,showing an increasing trend.the thermal stability test showed that the addition of Al_(2)O_(3)significantly shifted the maximum thermal decomposition temperature of the composites to the low temperature direction,but further increasing the content of Al_(2)O_(3),the thermal stability of the composites was hardly affected.
作者 徐翔民 仝蓓蓓 张豫徽 张孝彦 Xu Xiangmin;Tong Beibei;Zhang Yuhui;Zhang Xiaoyan(College of Mechanical Engineering,Yellow River Conservancy Institute,He'nan,475000)
出处 《当代化工研究》 2021年第23期17-19,共3页 Modern Chemical Research
基金 2020年开封市科技计划项目(项目编号:2001020)。
关键词 尼龙12 Al_(2)O_(3)选择性激光烧结 复合材料 PA12 Al_(2)O_(3)selective laser sintering composites
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