Grain evolution during hot ring rolling of as-cast 42CrMo ring billets
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Jiachen Liu
Jiachen Liu is a PhD candidate at the Taiyuan University of Science and Technology (TYUST), Taiyuan, China and is currently studying and enrolled in a PhD program in the Materials Research and Education Center atAuburn University, Alabama, USA. He was born in 1988 and received his Master’s degree in 2014. His research mainly focuses on metal alloys processing technology.
Jinliang Wang is a PhD candidate at TYUST, Taiyuan, China. He was born in 1987 and received his Master’s degree in 2013. His research mainly focuses on metal alloys processing technology.
Prof. Dr. Huiping Qi is a Professor at TYUST, Taiyuan, China. She was born in 1974 and received her PhD degree in 2012. She has published 20 more research papers. Her research mainly focuses on the ring rolling technology of metal alloys.
Prof. Dr. Huiqin Chen, a Professor at TYUST, Taiyuan, China, is the advisor for this research project. She was born in 1968 and received her PhD degree in 2007. She has been taken charge of 30 projects and published 50 more research papers. Her research mainly focuses on metal alloys processing technology. She is currently Dean at the School of Materials Science and Engineering at TYUST, the Director of the National Large Forging Academic Committee, China, and chairman of the Forging and Pressing Association in Shanxi, China.
Abstract
During hot ring rolling and subsequent air-cooling processes, the as-cast metal alloy undergoes a complicated microstructural evolution. In this paper, the grain refinement of as-cast 42CrMo ring billet during hot ring rolling and air-cooling was conducted by FEM simulation and tests. Moreover, the grain refinement mechanism of as-cast 42CrMo was also studied by comparison of single-pass deformation and multi-pass deformation with short pass interval time, with the purpose of studying the influence of the deformation process on grain refinement supported by the results of FEM simulation. As a result, effective strain and average grain size of the ring show zonal distribution characteristics The effective strain on the inner and outer layers of the ring is large, contributing to fine and homogeneous grains. In contrast, the cumulated effective strain on the interlayer of the ring is small, resulting in inhomogeneous and mixed grains and large average grain size. Grain growth occurs during subsequent air-cooling. The microstructural distribution of the hot rolled ring was confirmed by a hot ring rolling test.
About the authors
Jiachen Liu is a PhD candidate at the Taiyuan University of Science and Technology (TYUST), Taiyuan, China and is currently studying and enrolled in a PhD program in the Materials Research and Education Center atAuburn University, Alabama, USA. He was born in 1988 and received his Master’s degree in 2014. His research mainly focuses on metal alloys processing technology.
Jinliang Wang is a PhD candidate at TYUST, Taiyuan, China. He was born in 1987 and received his Master’s degree in 2013. His research mainly focuses on metal alloys processing technology.
Prof. Dr. Huiping Qi is a Professor at TYUST, Taiyuan, China. She was born in 1974 and received her PhD degree in 2012. She has published 20 more research papers. Her research mainly focuses on the ring rolling technology of metal alloys.
Prof. Dr. Huiqin Chen, a Professor at TYUST, Taiyuan, China, is the advisor for this research project. She was born in 1968 and received her PhD degree in 2007. She has been taken charge of 30 projects and published 50 more research papers. Her research mainly focuses on metal alloys processing technology. She is currently Dean at the School of Materials Science and Engineering at TYUST, the Director of the National Large Forging Academic Committee, China, and chairman of the Forging and Pressing Association in Shanxi, China.
Acknowledgement
This work was financially supported by the National Natural Science Foundation of China (No. 51575372).
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Articles in the same Issue
- Frontmatter
- Materials testing for joining and additive manufacturing applications
- Bending strength of ceramic compounds bonded with silicate-based glass solder
- Effect of Y addition on the structural transformation and thermal stability of Ti-22Al-25Nb alloy produced by mechanical alloying
- Materialography
- Grain evolution during hot ring rolling of as-cast 42CrMo ring billets
- Mechanical testing
- DCPD and strain gauge based calibration procedure for evaluation of low temperature creep behavior
- Corrosion testing
- Corrosion behavior of the heat affected zone in a 316 L pipeline weld
- Non-destructive testing/Radiography
- Neutron darkfield imaging of fiber composites
- Materials testing for welding and additive manufacturing applications
- Investigation of in situ synthesized TiB2 particles in iron-based composite coatings processed by hybrid submerged arc welding
- Mechanical testing/Numerical simulations
- Mechanical behavior of butt curved adhesive joints subjected to bending
- Wear testing/Numerical simulations
- Finite element modeling of glass particle reinforced epoxy composites under uniaxial compression and sliding wear
- Mechanical testing
- Effect of the cooling process on the mechanical properties and microstructural behavior of extruded AZ31 and AM50 Mg alloys
- Materials testing for welding and additive manufacturing applications
- Weldability of austempered rail steel using the flash-butt process
- Effect of tool diameter ratio on the microstructural characteristics of a solid-state processed aluminum based metal matrix composite
- Analysis of physical and chemical properties
- A density measurement device for solid objects with uneven geometry
- Numerical simulations
- Experimental and numerical study of an overlay composite absorber plate material for a solar air heater
Articles in the same Issue
- Frontmatter
- Materials testing for joining and additive manufacturing applications
- Bending strength of ceramic compounds bonded with silicate-based glass solder
- Effect of Y addition on the structural transformation and thermal stability of Ti-22Al-25Nb alloy produced by mechanical alloying
- Materialography
- Grain evolution during hot ring rolling of as-cast 42CrMo ring billets
- Mechanical testing
- DCPD and strain gauge based calibration procedure for evaluation of low temperature creep behavior
- Corrosion testing
- Corrosion behavior of the heat affected zone in a 316 L pipeline weld
- Non-destructive testing/Radiography
- Neutron darkfield imaging of fiber composites
- Materials testing for welding and additive manufacturing applications
- Investigation of in situ synthesized TiB2 particles in iron-based composite coatings processed by hybrid submerged arc welding
- Mechanical testing/Numerical simulations
- Mechanical behavior of butt curved adhesive joints subjected to bending
- Wear testing/Numerical simulations
- Finite element modeling of glass particle reinforced epoxy composites under uniaxial compression and sliding wear
- Mechanical testing
- Effect of the cooling process on the mechanical properties and microstructural behavior of extruded AZ31 and AM50 Mg alloys
- Materials testing for welding and additive manufacturing applications
- Weldability of austempered rail steel using the flash-butt process
- Effect of tool diameter ratio on the microstructural characteristics of a solid-state processed aluminum based metal matrix composite
- Analysis of physical and chemical properties
- A density measurement device for solid objects with uneven geometry
- Numerical simulations
- Experimental and numerical study of an overlay composite absorber plate material for a solar air heater
