Lichen Shi
- Personal Information
- Name (English): Lichen Shi
- Name (Pinyin): shilichen
- School/Department: 机电工程学院
- Education Level: PhD student
- Business Address: 草堂校区机电楼
- Contact Information: bestslc@xauat.edu.cn
- Degree: Doctoral degree
- Professional Title: Professor
- Status: Employed
- Alma Mater: 西安建筑科技大学
钛合金TC4超声振动辅助切削有限元仿真分析
Release time:2026-04-01
Hits:
- Journal:
- 制造业自动化
- Key Words:
- 钛合金;有限元仿真;VUMAT子程序;切屑形态;切削温度;残余应力;
- Abstract:
- 在ABAQUS仿真分析中,杨氏模量与泊松比随温度变化是以固定值输入,影响了结果的可靠性和准确性。为此,利用ABAQUS的二次开发功能,将温变函数嵌入到钛合金TC4的超声振动辅助切削(UVAC)仿真中。分析结果表明,所进行的二次开发符合实际具有指导意义。与普通切削相比,超声振动辅助切削能够有效实现断屑,降低切削温度,最大降幅可达34%。随着振幅的增大,切屑长度逐渐减小,振幅对残余压应力的影响深度呈现先减小后增大趋势;相比之下,频率对切屑形态的影响较小,随着频率增大,切屑长度和残余压应力均呈减小趋势。
- Co-author:
- 杨超,豆卫涛,杜林珅
- First Author:
- 王阿龙
- Indexed by:
- Journal paper
- Correspondence Author:
- Lichen Shi
- Volume:
- 47
- Issue:
- 8
- Page Number:
- 74-81
- ISSN No.:
- 1009-0134
- Translation or Not:
- no
- CN No.:
- 11-4389/TP
- Date of Publication:
- 2025-01-01