| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1574325 | Materials Science and Engineering: A | 2015 | 11 Pages |
Abstract
Vickers hardness data revealed that, in specimens isothermally held at 650 °C without hot deformation, the range of hardness distribution was 180-320 HV 0.1 after 5 min of isothermal holding, and 170-250 HV 0.1 after 60 min. For specimens isothermally held at 650 °C with 20% hot deformation at 900 °C, the range of the hardness distribution was 200-260 for 5 min of isothermal holding, and 210-240 for 60 min. Therefore, the average microhardness decreased with the isothermal holding temperature and time, and a narrower range of hardness distribution occurred in specimens that underwent hot deformation. The narrower Vickers hardness distribution reflects more uniform precipitation in each ferrite grain.
Related Topics
Physical Sciences and Engineering
Materials Science
Materials Science (General)
Authors
Chih-Yuan Chen, Shih-Fan Chen, Chien-Chon Chen, Jer-Ren Yang,