%0 Journal Article
%T SiCp/Al超低温切削仿真模型构建及实验研究<br>SiCp/Al Cryogenic Cutting Simulation Model Construction and Experimental Research
%A 吴杰
%A 郭维诚
%A 毋宇超
%J Modeling and Simulation
%P 2177-2188
%@ 2324-870X
%D 2024
%I Hans Publishing
%R 10.12677/mos.2024.133200
%X 颗粒增强型金属基复合材料由于其优异的综合性能在航空航天、精密电子等领域得到了广泛应用，SiCp/Al作为一种典型的复合材料，如何进一步提升其物理特性与可加工性能显得尤为重要，而超低温辅助加工技术已经被证明在金属切削领域具有显著的潜在研究可能。本文针对20%体积分数的SiCp/Al复合材料进行了一系列不同温度、不同应变率的拉伸与扭转试验，基于Johnson Cook理论建立了材料的超低温本构关系模型与断裂准则模型，并根据侧铣加工的特点，在Abaqus软件中建立了等效斜坡工件切削仿真模型，通过将仿真模拟铣削力与超低温铣削加工实验测得铣削力数据进行比对，验证了建立模型的有效性，最后利用建立的有限元仿真模型对超低温铣削过程的应力场、温度场进行了分析。<br />
Particle-reinforced metal matrix composites have been widely used in aerospace, precision electronics, and other fields due to their excellent comprehensive performance. SiCp/Al, as a typical composite material, is particularly important to further enhance its physical properties and machinability, and cryogenic-assisted machining technology has been proven to have significant potential research possibilities in the field of metal cutting. In this paper, a series of tensile and torsion tests at different temperatures and strain rates were carried out for 20% volume fraction SiCp/Al composites, and the cryogenic intrinsic relationship model and fracture criterion model of the material were established based on the Johnson Cook theory, and the equivalent slope work- piece cutting simulation model was established in Abaqus software according to the characteristics of side milling machining. By comparing the simulated milling force with the experimentally measured milling force data of cryogenic milling processing, the validity of the established model is verified, and finally, the stress field and temperature field of the cryogenic milling process are analyzed by using the established finite element simulation model.
%K SiCp/Al复合材料，超低温，Johnson Cook模型，有限元分析<br>SiCp/Al Composite
%K Cryogenic
%K Johnson Cook Model
%K Finite Element Analysis
%U http://www.hanspub.org/journal/PaperInformation.aspx?PaperID=86730