Determination of ductile fracture criteria for bulk and PM materials

被引：2
|
作者：
Kvackaj, T. [1 ]
Tiza, J. [1 ]
Kovacova, A. [1 ]
Kocisko, R. [1 ]
Bacso, J. [1 ]
机构：
[1] Tech Univ Kosice, Fac Met, Dept Met Forming, Kosice, Slovakia
来源：
KOVOVE MATERIALY-METALLIC MATERIALS | 2014年 / 52卷 / 05期
关键词：
aluminium alloys; HSLA; physical simulations; mathematical simulation; Cockcroft-Latham fracture criterion; DAMAGE ACCUMULATION; PLASTIC-DEFORMATION; WORKABILITY; PREDICTION; SIMULATION; METHODOLOGY; ALUMINUM; POROSITY; DESIGN;
D O I：
10.4149/km_2014_5_249
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the paper, calculation of the ductile fracture criteria for experimental materials as HSLA (high strength low alloy) steel, aluminium alloy EN AW 6082 T6 and powder metallurgy material ALUMIX 321 was carried out. Using ring and compression tests, it was possible to determine friction coefficient, stress-strain curves, constants for the Hollomon's equation, material workability and nCL (normalized Cockcroft-Latham) criteria. Moreover, the results from the nCL criteria calculations obtained from compression tests and numerical simulations were compared and verified. Numerical simulations were done by the Deform 3D software. It was confirmed that both methods provide similar results.
引用
收藏
页码：249 / 254
页数：6
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