Simulation and Experimental Study of Cutting Deformation of TC4 Titanium Alloy AITranslate
Abstract AITranslate
In view of poor cutting performance of titanium alloy materials, simulation and experimental study on cutting deformation of the common titanium alloy TC4 were carried out. Cutting deformation process of the titanium alloy and its chip formation mechanism were reproduced by finite element analysis. The simulation results indicate that the material nearby the knifepoint softens because of high temperature and high stress,and thermoplastic instability happens at chip root resulting in the upper part of the chip squeezed to form cracks but the lower part still joined. Therefore, the chip appears serrated. The results from fast cutting tests show that with high distortion degree and temperature of the material nearby the knifepoint, centralized shear slip of the chip occurs resulting in obvious indentation of the chip. Meanwhile, original crisscross and basket-like microstructure changes into the stripe-like along the cutting direction. Tiny microcracks are also observed at chip root by SEM, and chip morphology and simulation results are almost uniform.
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Basic Information:
DOI：
Chinese Library Classification Number:TG146.23[金属学及工艺—金属材料]
Citation Information:
In view of poor cutting performance of titanium alloy materials, simulation and experimental study on cutting deformation of the common titanium alloy TC4 were carried out. Cutting deformation process of the titanium alloy and its chip formation mechanism were reproduced by finite element analysis. The simulation results indicate that the material nearby the knifepoint softens because of high temperature and high stress,and thermoplastic instability happens at chip root resulting in the upper part of the chip squeezed to form cracks but the lower part still joined. Therefore, the chip appears serrated. The results from fast cutting tests show that with high distortion degree and temperature of the material nearby the knifepoint, centralized shear slip of the chip occurs resulting in obvious indentation of the chip. Meanwhile, original crisscross and basket-like microstructure changes into the stripe-like along the cutting direction. Tiny microcracks are also observed at chip root by SEM, and chip morphology and simulation results are almost uniform.
quote
| GB/T 7714-2015 | [1] KANG Feng, CHEN Man-li, NING Hai-qing, et al. Simulation and Experimental Study of Cutting Deformation of TC4 Titanium Alloy[J]. Rare Metals and Cemented Carbides, 2012(6): 31-34. |
| MLA | [1] KANG Feng, et al., "Simulation and Experimental Study of Cutting Deformation of TC4 Titanium Alloy." Rare Metals and Cemented Carbides, no. 6, 2012, pp. 31-34. |
| APA | [1] KANG Feng, CHEN Man-li, NING Hai-qing, HU Chuan-kai, SHU Da-yu, & SHEN Lei-fang. (2012). Simulation and Experimental Study of Cutting Deformation of TC4 Titanium Alloy. Rare Metals and Cemented Carbides(6), 31-34. |
| IEEE | [1] KANG Feng, CHEN Man-li, NING Hai-qing, HU Chuan-kai, SHU Da-yu, and SHEN Lei-fang, "Simulation and Experimental Study of Cutting Deformation of TC4 Titanium Alloy," Rare Metals and Cemented Carbides, no. 6, pp. 31-34, 2012. keywords: {titanium alloy;cutting deformation;finite element analysis;microstructure;chip;thermoplastic instability} |