Journal
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
Volume 25, Issue 6, Pages 2164-2169Publisher
SPRINGER
DOI: 10.1007/s11665-016-2060-1
Keywords
high-entropy alloy; microstructure; properties
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Funding
- NNSFC [50571040]
- Key Basic Research and Development Program [2014CB643303]
- National Foundation of Doctoral Station [20100061110019]
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FeAlCrNiMo (x) high-entropy alloys were prepared. The effect of Mo content on the microstructure and the properties of the alloys were investigated. When the Mo content was 0.1, the alloys were composed of single BCC solid solution; when Mo content reaches 0.25, the alloys were composed of BCC solid solution and ordered B2 solid solution. When Mo content is more than 0.75, some sigma phases emerged. The volume fraction of the second phase increases with the increasing Mo content, and the crystal grains became coarsening. The yield strength, fracture strength, and hardness increase with the increasing Mo content and reach 2252, 2612 MPa, and 1006 Hv, respectively. The magnetic transformation undergoes from the ferromagnetism to paramagnetism with the increasing Mo content. The saturation intensity and remnant magnetism are decreased with the increasing Mo content.
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