Hot deformation behaviour and interfacial characteristics of bimetal composite at elevated temperatures

2020 ◽  
Vol 125 ◽  
pp. 106893 ◽  
Author(s):  
Zhou Li ◽  
Jingwei Zhao ◽  
Fanghui Jia ◽  
Yao Lu ◽  
Xiaojun Liang ◽  
...  
Keyword(s):  
Hot Deformation ◽  
Elevated Temperatures ◽  
Deformation Behaviour ◽  
Bimetal Composite ◽  
Hot Deformation Behaviour ◽  
Interfacial Characteristics

Thermodynamic Modeling and Experimental Measurement of Precipitation Formation during Dynamic Recrystallization for Magnesium Alloys

2014 ◽  
Vol 922 ◽  
pp. 310-315 ◽  
Author(s):  
Abu Syed Humaun Kabir ◽  
Jing Su ◽  
Mehdi Sanjari ◽  
In Ho Jung ◽  
Stephen Yue
Keyword(s):  
Magnesium Alloys ◽  
Thermodynamic Modeling ◽  
Hot Deformation ◽  
Elevated Temperatures ◽  
Deformation Behaviour ◽  
Deformation Degree ◽  
Modeling Software ◽  
Constant Deformation ◽  
Hot Deformation Behaviour ◽  
Precipitation Formation

Magnesium alloys have low formability at room temperature associated with its hexagonal closed pack structure. Formation of precipitates during deformation may pin the grain boundary and reduce the final grain size, which literally means the improvement of formability. The aim of this study is to design magnesium alloys that are capable of forming precipitate during hot deformation. Thermodynamic modeling software, FactSage, has been used to design Mg-Al-Sn alloys based on forming target Mg2Sn precipitate at hot deformation temperatures between 250 and 350oC. Uniaxial compression at elevated temperatures has been performed to simulate the hot deformation behaviour as well as to enhance the formation of precipitates. Strain rates used in this study were in the range of 1.0 to 0.001s-1for a constant deformation degree of 90%. It was found that the formation of precipitate depends on deformation temperature and strain rate. Measured amounts of precipitate were compared with the calculated equilibrium results from FactSage.

Hot deformation behaviour of Ni–30Fe–C and Ni–30Fe–Nb–C model alloys

2015 ◽  
Vol 641 ◽  
pp. 160-171 ◽  
Author(s):  
Parvez Mannan ◽  
Andrii G. Kostryzhev ◽  
Hatem Zurob ◽  
Elena V. Pereloma
Keyword(s):  
Hot Deformation ◽  
Deformation Behaviour ◽  
Hot Deformation Behaviour

Prediction of hot deformation behaviour of Fe–25Mn–3Si–3Al TWIP steel

2011 ◽  
Vol 528 (28) ◽  
pp. 8084-8089 ◽  
Author(s):  
Dejun Li ◽  
Yaorong Feng ◽  
Zhifu Yin ◽  
Fengshou Shangguan ◽  
Ke Wang ◽  
...  
Keyword(s):  
Hot Deformation ◽  
Twip Steel ◽  
Deformation Behaviour ◽  
Hot Deformation Behaviour

Hot deformation behaviour and microstructure of a high-alloy gear steel

2018 ◽  
Vol 34 (10) ◽  
pp. 1228-1238 ◽  
Author(s):  
Haiyan Tang ◽  
Maosheng Yang ◽  
Wenjia Meng ◽  
Peng Lan ◽  
Chen Wang
Keyword(s):  
Hot Deformation ◽  
Deformation Behaviour ◽  
High Alloy ◽  
Gear Steel ◽  
Hot Deformation Behaviour

scholarly journals Microstructure and Hot Deformation Behaviour of a Novel Zr-Alloyed High-Boron Steel

Metals ◽  
2019 ◽  
Vol 9 (2) ◽  
pp. 218 ◽  
Author(s):  
Alexey Prosviryakov ◽  
Baptiste Mondoloni ◽  
Alexander Churyumov ◽  
Andrey Pozdniakov
Keyword(s):  
Hot Deformation ◽  
Boron Content ◽  
Deformation Behaviour ◽  
High Volume ◽  
Positive Influence ◽  
Strain Rate Range ◽  
Boron Steel ◽  
High Boron ◽  
Three Stages ◽  
Hot Deformation Behaviour

A novel corrosion-resistant steel with high boron content is investigated in this paper. Three stages during crystallisation of the steel are revealed. The positive influence of Zr addition on the microstructure and mechanical properties after hot deformation is shown. The Zr-alloyed steel demonstrates hot deformation without fracturing in the temperature range of 1273–1423 K, and in the strain rate range of 0.1–10 s−1, despite the high volume of brittle borides. The processes of ferrite recrystallisation and boride structure fragmentation occur during hot deformation, promoting the appearance of a peak on stress–strain curves.

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