The influence of temperature and strain rate on the deformation response and microstructural evolution during hot compression of a titanium alloy Ti–6Al–4V–0.1B

2013 ◽  
Vol 548 ◽  
pp. 110-125 ◽  
Author(s):  
Shibayan Roy ◽  
Satyam Suwas
Keyword(s):  
Titanium Alloy ◽  
Strain Rate ◽  
Microstructural Evolution ◽  
Hot Compression ◽  
Influence Of Temperature ◽  
Deformation Response

Thermal Deformation Behavior of a New Metastable Beta Titanium Alloy

2021 ◽  
Vol 1035 ◽  
pp. 32-38
Author(s):  
Jing Li ◽  
Xin Nan Wang ◽  
Zhi Shou Zhu
Keyword(s):  
Titanium Alloy ◽  
Strain Rate ◽  
Deformation Behavior ◽  
Thermal Deformation ◽  
Phase Region ◽  
Hot Compression ◽  
Beta Titanium Alloy ◽  
Experimental Conditions ◽  
Beta Titanium ◽  
Metastable Beta

The thermal deformation behavior of a new metastable beta titanium alloy composed of Ti-Al-Mo-V-Nb-Cr was studied under different experimental conditions of varying temperatures (760°C~ 970°C) and strain rates (0.001s−1, 0.01s−1, 0.1s−1, 1s−1 and 10s−1) up to deformation amount of 60%. The hot compression experiments were completed on a Gleeble-3500 thermal analogue. The experimental results showed that the true stress of the Ti-Al-Mo-V-Nb-Cr titanium alloy decreased with increasing the temperature and decreasing the strain rate, the stress peaks and the steady-state stress values were higher with the decreasing of temperature at the same strain rate. The calculated values of the deformation activation energy were 187.87 kJ/mol in the two-phase region and 165.17kJ/mol in beta single-phase region. The corresponding constitutive equation was determined by the multiple linear regression calculation on the hot compression experimental data, on the base of Arrhenius equations.

MICROSTRUCTURAL EVOLUTION AND FLOW BEHAVIOR OF TWIN-ROLL CAST AZ41 MAGNESIUM ALLOY DURING HOT COMPRESSION

2012 ◽  
Vol 26 (32) ◽  
pp. 1250181
Author(s):  
ZHIYI LIU ◽  
XU CHEN ◽  
YANHUI HOU ◽  
SUKBONG KANG
Keyword(s):  
Elevated Temperature ◽  
Magnesium Alloy ◽  
Dynamic Recrystallization ◽  
Strain Rate ◽  
Microstructural Evolution ◽  
Flow Behavior ◽  
Hot Compression ◽  
Dislocation Slip ◽  
Twin Roll Cast ◽  
Twin Roll

Microstructural evolution and flow behavior of twin-roll cast AZ41 magnesium alloy during hot compression were characterized by employing deformation temperature of 300°C, 350°C and 400°C, and strain rate ranging from 10-3 to 10-2 s -1. When compressed at different temperature (300°C, 350°C and 400°C) and strain rate (10-3 and 10-2 s -1) all stress strain curves showed a flow softening behavior before strained to 0.51 due to dynamic recrystallization, even though concurrent twinning was quite active. Twinning contributed to the flow hardening behavior appeared during the end of hot compression (ε > 0.51) at a strain rate of 10-2 s -1 and elevated temperature (300°C, 350°C and 400°C) in spite of the softening effect of concurrently occurred dynamic recrystallization. TEM image showed that discontinuous recrystallization occurred when deformed at elevated temperature as high as 400°C and the strain rate ranging from 10-2 to 10-3 s -1. It is suggested that dislocation slip, twinning and recrystallization develop in a cyclic mode from initial stage to the end of hot compression.

Deformation response and microstructural evolution of as-cast Mg alloys AM30 and AM50 during hot compression

2019 ◽  
Vol 110 (6) ◽  
pp. 524-533 ◽  
Author(s):  
Anuj Bisht ◽  
Nikki Kamble ◽  
Lailesh Kumar ◽  
G. S. Avadhani ◽  
Anish Roy ◽  
...  
Keyword(s):  
Microstructural Evolution ◽  
Hot Compression ◽  
Mg Alloys ◽  
Deformation Response

Microstructural evolution and modelling of the hot compression of a TC6 titanium alloy

2002 ◽  
Vol 49 (3) ◽  
pp. 203-209 ◽  
Author(s):  
Miaoquan Li ◽  
Aiming Xiong ◽  
Weichao Huang ◽  
Hairong Wang ◽  
Shaobo Su ◽  
...  
Keyword(s):  
Titanium Alloy ◽  
Microstructural Evolution ◽  
Hot Compression
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