A damage-coupled unified viscoplastic constitutive model for prediction of forming limits of 22MnB5 at high temperatures

J Zhou, Y Mu, B Wang - International Journal of Mechanical Sciences, 2017 - Elsevier
Hot stamping of the boron steel 22MnB5 has been widely used to produce high strength
parts in automobile industry. The forming limits of 22MnB5 sheets are governed by the …

[PDF][PDF] 耐热合金钢P91 热变形过程静态及亚动态再结晶行为

贾璐, 李永堂, 李振晓 - 机械工程学报, 2017 - qikan.cmes.org
利用单道次, 双道次热压缩试验研究铸态P91 合金钢在热变形后的动态, 静态,
亚动态再结晶行为, 探索不同变形温度, 应变速率, 变形量对静态, 亚动态再结晶的影响并建立 …

A thermal forming limit prediction method considering material damage for 22MnB5 sheet

P Hu, W Liu, L Ying, J Zhang, D Wang - The International Journal of …, 2017 - Springer
Hot stamping of high-strength steel is an innovative technology to achieve automobile
lightweight and guarantee security simultaneously. However, the formability of high-strength …

[PDF][PDF] GTN 细观损伤模型的发展与应用综述

陈鑫, 杨立飞, 于雪, 龚颖颖 - 机械工程学报, 2024 - qikan.cmes.org
细观损伤力学分析广泛应用于韧性金属损伤, 断裂, 成形极限预测等领域. Gurson-Tvergaard-
Needleman (GTN) 损伤模型是细观损伤力学领域最为重要的经典模型之一 …

Experimental study and a damage model approach to determine the effect of hot forming deformation on the service performance of 22MnB5 steel

W Zhuang, P Wang, D Xie, H Shi - Journal of Manufacturing Processes, 2019 - Elsevier
Forming damage affects the service performance of hot stamped components such as A-
pillars, B-pillars and anti-collision beams. Existing constitutive models are not suitable for …

[PDF][PDF] 耦合温度效应晶体塑性的TWIP 钢变形行为研究

蔡旺, 王春晖, 孙朝阳, 马晋遥, 李月敏, 姜军… - 机械工程学报, 2022 - qikan.cmes.org
为探究TWIP 钢高温条件下的塑性变形机理, 建立了耦合温度效应的晶体塑性本构模型,
考虑温度对TWIP 钢滑移和孪生的影响, 提出了耦合温度效应的流动法则和硬化法则 …

[PDF][PDF] Static and metadynamic recrystallization behaviors of heat-resistant P91 alloy during hot deformation

贾璐, 李永堂, 李振晓 - Journal of mechanical engineering, 2017 - qikan.cmes.org
Dynamic, static and metadynamic recrystallization of as-cast P91 alloy steel are investigated
through single and double-hit unidirectional thermal compression experiments under …

高强度钢板热成形性预测研究进展.

刘文权, 盈亮, 荣海, 胡平 - … of Hebei University of Science & …, 2018 - search.ebscohost.com
高强度钢板热冲压成形是实现车身轻量化, 保证安全性的重要途径, 近年来得到汽车和钢铁工业
的广泛关注与应用. 由于高温工况的引入, 高强度钢板的力学行为表现出明显的应变率和温度 …

[PDF][PDF] Review of the Progress and Application on the GTN Meso-damage Model

陈鑫, 杨立飞, 于雪, 龚颖颖 - Journal of Mechanical Engineering, 2024 - qikan.cmes.org
Meso-damage mechanics analysis is widely used in the fields of ductile metal damage,
fracture and forming limit prediction. The Gurson-Tvergaard-Needleman (GTN) damage …

Gurson-Tvergraad-Needleman model-based damage analyses of stainless steel springs at high temperature

L Hou, Y Hu - Journal of Physics: Conference Series, 2023 - iopscience.iop.org
In this paper, the Gurson-Tvergraad-Needleman (GTN) model is used to study the damage
of stainless steel springs at high temperatures. The basic material and GTN damage …