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Formation of Microstructures in the Molybdenum-Aluminum-Titanium Ternary System through Eutectoid Decomposition
| Title: | Formation of Microstructures in the Molybdenum-Aluminum-Titanium Ternary System through Eutectoid Decomposition |
| Authors: | Nino, Rikiya Browse this author | | Miura, Seiji Browse this author →KAKEN DB | | Mohri, Tetsuo Browse this author |
| Keywords: | lamellar structure | | eutectoid decomposition | | molybdenum-aluminum system | | molybdenum-aluminum-titanium system | | molybdenum aluminide |
| Issue Date: | Sep-1999 |
| Publisher: | The Japan Institute of Metals |
| Journal Title: | Materials Transactions, JIM |
| Volume: | 40 |
| Issue: | 9 |
| Start Page: | 935 |
| End Page: | 937 |
| Publisher DOI: | 10.2320/matertrans1989.40.935 |
| Abstract: | Abstract Formation and evolution processes of microstructure of Mo–Al alloys retarded by addition of 10 at%Ti are studied through various heat treatments. Fine acicular Mo3Al precipitates are observed inside a grain for a specimen quenched at 1673 K as an initial stage of the eutectoid decomposition of bcc phase. It suggests that there is a crystallographic orientation relationship between the bcc matrix and A15 precipitates. By changing heat treatment conditions, fraction of fine lamellar structure decreases and spheroidized area increases. Subsequent aging treatment at lower temperature also provides the spheroidized structure. A coarse equiaxed structure is observed for a specimen quenched at 1673 K then aged at 1173 K. |
| Rights: | 著作権は日本金属学会にある。利用は著作権の範囲内に限られる。 |
| Type: | article |
| URI: | http://hdl.handle.net/2115/75143 |
| Appears in Collections: | 工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 三浦 誠司
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