基于ABAQUS的ZTC4合金热等静压变形数值模拟
Numerical Simulation of Hot Isostatic Pressing Deformation of ZTC4 Alloy Based on ABAQUS
甘恬 1尹昊 1陈宇豪 1纪志军 2崔新鹏 2南海 2郄喜望 2廖敦明1
作者信息
- 1. 华中科技大学材料科学与工程学院,材料成形与模具技术全国重点实验室,武汉 430074
- 2. 中国航发北京航空材料研究院,北京 100095
- 折叠
摘要
基于ABAQUS平台进行二次开发,自主研发了热等静压温度场求解器,通过编写程序接口将温度场数据作为边界条件加载到ABAQUS应力场模型中,建立了热等静压过程顺序热力耦合模型.为验证模型准确性,对两种试样进行热等静压模拟和试验验证,并研究了热等静压保温温度对ZTC4合金铸件缺陷闭合效果的影响.结果表明,模拟结果和试验结果的尺寸误差在 5%以内,915℃是最合适的ZTC4合金铸件热等静压温度.
Abstract
Thermal isostatic pressure temperature field solver was independently developed based on ABAQUS plat-form,and the temperature field data was loaded into the ABAQUS stress field model as boundary conditions through programming interface to establish the sequential thermodynamic coupling model during hot isostatic pressure process.In order to verify the accuracy,hot isostatic pressing simulation was conducted and validated,and effects of hot iso-static pressing temperature on defect closure of ZTC4 alloy castings were investigated.The results reveal that the size error between simulated and experimental results is less than 5%,indicating that 915℃ is the satisfied temperature for hot isostatic pressing of ZTC4 alloy castings.
关键词
钛合金/热等静压/数值模拟Key words
Titanium Alloy/Hot Isostatic Pressing/Numerical Simulation引用本文复制引用
基金项目
国防基础科研计划资助项目(JCKY2022213C008)
国家重点研发计划资助项目(2020YFB2008300)
出版年
2024
NETL
NSTL
万方数据