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Keywords: grain size
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Proceedings Papers

Proc. ASME. MSEC2021, Volume 2: Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, V002T06A002, June 21–25, 2021
Paper No: MSEC2021-59981
... Abstract The microstructure alteration generated in the high-speed machining of titanium alloy has significant influence on the performance, quality and service life of production. The prediction of grain size or phase distribution based on physics mechanism or the regression of experimental...
Proceedings Papers

Proc. ASME. MSEC2020, Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering; Manufacturing Equipment and Automation, V001T01A023, September 3, 2020
Paper No: MSEC2020-8217
...-critical application, it is important to predict the stress state within the AM part accurately and rapidly. During the thermal loading, the grain size is altered at the subsurface through dynamic recrystallization (DRx) and subsequent recovery. The yield strength of the alloys is largely determined...
Proceedings Papers

Proc. ASME. MSEC2013, Volume 1: Processing, V001T01A028, June 10–14, 2013
Paper No: MSEC2013-1130
... Machining process usually induces Severe Plastic Deformation (SPD) in the chip and machined surface, which will further lead to rapid increase of dislocation density and alteration of grain size in micro-scale. This paper presents a novel FE model to simulate the dislocation density and grain...
Proceedings Papers

Proc. ASME. MSEC2011, ASME 2011 International Manufacturing Science and Engineering Conference, Volume 2, 555-562, June 13–17, 2011
Paper No: MSEC2011-50288
... 19 09 2011 In this study, a preliminary investigation about the grain size effect in machining of polycrystalline copper structures at atomistic scale is carried out using molecular dynamics simulation. Four copper structures with different grain sizes are chosen for simulation...
Proceedings Papers

Proc. ASME. MSEC2009, ASME 2009 International Manufacturing Science and Engineering Conference, Volume 1, 531-536, October 4–7, 2009
Paper No: MSEC2009-84137
... required forces for deformation. While forming at elevated temperatures is common, the EAF process provides more significant improvements in formability without the undesirable affects associated with forming at elevated temperatures. This research investigates the effect of grain size and current density...