钛合金与碳纳米复合材料的制备及力学性能的研究OA
Preparation and mechanical properties of titanium alloy and carbon nanocomposites
为探究成型工艺与温度环境对钛合金与碳纳米复合材料(CNTs/Ti)力学性能的影响,本文采用碳纳米管对钛合金材料表面进行改性,利用湿法球磨法制备 CNTs/Ti 粉末,采用选区激光熔化技术制备拉伸试件,系统研究了不同温度环境下CNTs/Ti 的拉伸力学性能.结果表明:当球磨时间为 5 h 时,C 元素显著增加至 22.78at%;-58℃下,CNTs 含量为 0.6wt‰的试件抗拉强度最高,低温循环与低温(-58℃)下的变化趋势相同;600℃下,CNTs 含量为 0wt‰的试件抗拉强度最高.观察试件断口可知,试件在-58℃和 600℃下仍旧保持较高塑性.
To investigate the effects of forming process and temperature environment on the mechanical properties of titanium alloy and carbon nanotube composite(CNTs/Ti),this study modifies the surface of the titanium alloy ma-terial with carbon nanotubes.The CNTs/Ti powder is prepared by the wet ball milling method,and the tensile speci-mens are prepared by the selective laser melting technology.Subsequently,the tensile mechanical properties of CNTs/Ti are systematically studied under different temperature environments.The results show that when the ball milling time is 5 hours,the content of element C significantly increases to 22.78at%.At-58℃,the specimen with a CNTs content of 0.6wt‰ has the highest tensile strength.The trend under the low-temperature cycle is the same as that at low temperature(-58℃).At 600℃,the specimen with a CNTs content of 0wt‰ has the highest tensile strength.By observing the fracture surface of the specimens,it is found that the specimens still maintain high plastici-ty at-58℃and 600℃.
闻洪哲
航空工业沈阳飞机工业(集团)有限公司,沈阳 110850
通用工业技术
钛合金与碳纳米复合材料球磨法激光选区熔化抗拉强度低温循环
titanium alloy and carbon nanocompositesball milling methodselective laser meltingtensile strengthlow-temperature cycling
《复合材料科学与工程》 2026 (7)
18-23,6
国家自然科学基金(52374393)辽宁省重点研发计划项目(2023JH2/101300234)
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