Finite Element Validation of Forming Limit Diagram of IN-718 Sheet Metal

被引：17
|
作者：
Prasad, K. Sajun [1 ]
Kamal, T. [1 ]
Panda, S. K. [1 ]
Kar, S. [2 ]
Murty, S. V. S. Narayana [3 ]
Sharma, S. C. [3 ]
机构：
[1] Indian Inst Technol, Dept Mech Engn, Kharagpur 721302, W Bengal, India
[2] Indian Inst Technol, Dept Met & Mat Engn, Kharagpur 721302, W Bengal, India
[3] Indian Space Res Org, Thiruvananthapuram 695022, Kerala, India
来源：
MATERIALS TODAY-PROCEEDINGS | 2015年 / 2卷 / 4-5期
关键词：
Anisotropy properties; Forming limit diagram; Strain distribution; Limiting dome height; FORMABILITY ANALYSIS; STEEL SHEETS; ALLOY;
D O I：
10.1016/j.matpr.2015.07.174
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The tensileanisotropy properties of Inconel-718 sheet metal were evaluated and the forming limit diagram (FLD) was established experimentally by deforming the material in different strain paths covering from tension-tension to tension-compression mode. Finite element model of the stretch forming process was developed successfully to predict limiting dome height (LDH) and strain distribution incorporating the Barlat-89 yield criterion and experimental FLD. It was found that the left side of FLD has higher forming limitscompared to right side. The IN-718 has encouraging stretch formability with uniform strain distribution in the cup compared to Ti6Al4V alloy reported in previous literature. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2037 / 2045
页数：9
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