Anisotropic behavior and mechanical properties of Ti-6Al-4V alloy in high temperature deformation

2022 ◽  
Author(s):  
Song Gao ◽  
Tonggui He ◽  
Qihan Li ◽  
Yingli Sun ◽  
Ye Sang ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
High Temperature ◽  
High Temperature Deformation ◽  
Temperature Deformation ◽  
Anisotropic Behavior

Structure and mechanical properties of an Ni3Al single crystal upon high-temperature deformation

2011 ◽  
Vol 111 (4) ◽  
pp. 403-409 ◽  
Author(s):  
N. N. Stepanova ◽  
D. I. Davydov ◽  
D. P. Rodionov ◽  
Yu. I. Philippov ◽  
Yu. N. Akshentsev ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
High Temperature ◽  
Single Crystal ◽  
High Temperature Deformation ◽  
Temperature Deformation

scholarly journals Microstructure Evolution and Mechanical Properties of 0.4C-Si-Mn-Cr Steel during High Temperature Deformation

Materials ◽  
2020 ◽  
Vol 13 (1) ◽  
pp. 172 ◽  
Author(s):  
Fei Zhang ◽  
Yang Yang ◽  
Quan Shan ◽  
Zulai Li ◽  
Jinfeng Bi ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Heat Treatment ◽  
High Temperature ◽  
Impact Toughness ◽  
Microstructure Evolution ◽  
Cast Steel ◽  
High Temperature Deformation ◽  
Temperature Deformation ◽  
Grain Sizes ◽  
The Impact

Herein, the effects of height-diameter ratios (H/D) on the microstructure evolution and mechanical properties of 0.4C-Si-Mn-Cr steel during high temperature deformation are reported. The compression experiments were performed on steel samples using Gleeble to obtain a reasonable deformation temperature, and the degree of deformation was assessed in the range of 1.5 to 2.0 H/D via forging. The forged specimens were quenched using the same heat treatment process. The hardness and impact toughness of the steel samples were tested before and after heat treatment. Grain sizes gradually increased with an increase in the compression temperature from 950 °C to 1150 °C, and the grain sizes decreased with an increase in H/D. The microstructure of the steel samples contained pearlite, bainite, martensite, and retained austenite phase. The microstructure after forging was more uniform and finer as compared to that of as-cast steel samples. The hardness and impact toughness of the steel samples were evaluated after forging; hardness first increased and then decreased with an increase in H/D, while the impact toughness continuously increased with an increase in H/D. Hence, the microstructure and properties of steel could be improved via high temperature deformation, and this was primarily related to grain refinement.

The Structure, Deformation and Properties of Al-5%Fe-Based Alloy

2011 ◽  
Vol 239-242 ◽  
pp. 1505-1509
Author(s):  
Da Jun Fu ◽  
Xiao Guang Yuan ◽  
Shuang Li
Keyword(s):  
Mechanical Properties ◽  
High Temperature ◽  
Strain Rate ◽  
Room Temperature ◽  
Rolling Process ◽  
High Temperature Deformation ◽  
Temperature Deformation ◽  
Hot Deformation Behavior ◽  
Structure Deformation ◽  
Good Thermal Stability

To refine thick and brittle needle-like or sheet-like iron-rich phase in Al-Fe-based alloy, electromagnetic cast and solid extrusion were adopted for the preparation of billet of rolled alloy Al-5%Fe-1.2%Si-1%Mg-0.6%Cu-0.5%Mn. Studies were made of the effect of rolling process on the microstructure and mechanical properties especially on the mechanical properties at high temperature. The hot deformation behavior of Al-Fe alloy was simulated at the strain rate of 0.01s-1 to 10s-1 and the temperature between 783K and 693K. The results indicate that there is significant steady-state rheological feature on the alloy’s high temperature deformation and the flow stress is sensitive to strain rate and temperature. The tensile strength of the alloy can reach 348MPa at 150°C and 170 MPa at 300°C but with a drop of around 40% than that at room temperature, indicating that heat resistance of the alloy is better at 150-200°C, the strength simulated long at 80°C can reach 275MPa, with rather good thermal stability.

Mechanical Properties and Deformation Features of AZ31-Sb Alloy

2005 ◽  
Vol 488-489 ◽  
pp. 771-774 ◽  
Author(s):  
Su Gui Tian ◽  
Keun Yong Sohn ◽  
Kyung Hyun Kim
Keyword(s):  
Mechanical Properties ◽  
High Temperature ◽  
Elevated Temperature ◽  
Volume Fraction ◽  
High Volume ◽  
Az31 Alloy ◽  
Ultimate Tensile Stress ◽  
High Temperature Deformation ◽  
Temperature Deformation ◽  
Creep Failure

Mechanical properties and high temperature deformation behavior of AZ31-0.84%Sb alloy have been studied. The results show that small additions of antimony to AZ31 alloy effectively enhanced the creep resistance and the ultimate tensile stress of the alloy at elevated temperature. One of the reasons for the improved high temperature properties is the high volume fraction (~20%) of the precipitates, as Mg3Sb2, which effectively hindered the movement of dislocations during the elevated temperature deformation. Considerable amounts of twins were formed during creep failure of AZ31-0.84%Sb alloy. Within the twins, many dislocation pile-ups were present on both basal and non-basal plane of magnesium matrix.

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