Chun-Liang, Chen and ., Sutrisna (2021) Study of NiFeCoCr medium entropy alloy as a binder phase on W–Mo heavy tungsten alloy by secondary ball milling. jurnal internasional, . (.): .. pp. 1-8. ISSN .
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Study of NiFeCoCr medium entropy alloy as a binder phase on W–Mo heavy tungsten alloy by secondary ball milling_compressed.pdf - Published Version Download (643kB) |
Abstract
The binder phase of NiFeCoCr medium entropy alloy (MEA) dispersed in W–Mo heavy tungsten alloy synthesized
by secondary ball milling was studied. The results show that the MEA binder phase with a single FCC solid
solution structure was obtained after the pre-milling process. A considerable reduction of Cr content in the MEA
binder phase encourages the dissolution of Cr into the tungsten matrix and forms the Cr-rich oxides after the
sintering process. TEM investigations show that the Cr-rich oxide has been indexed as the (Cr, Fe)O3 and the
twinned structure was observed in the FCC MEA binder phase. Besides, as the sintering temperature was
increased to 1450 ◦C, liquid phase sintering is dominant in the model alloys, leading to a decrease in the hardness
of the model alloys.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | High entropy alloys Heavy tungsten alloys Mechanical alloying Secondary ball milling |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Fakultas Teknologi Industri > Teknik Mesin |
| Depositing User: | Dwi Lestari Lestari |
| Date Deposited: | 10 Sep 2021 04:15 |
| Last Modified: | 28 Sep 2022 05:00 |
| URI: | https://repository.itny.ac.id/id/eprint/3013 |
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