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Effects of heat treatment on borides precipitation and mechanical properties of arc-melted and laser-cladded CoCrNiFeAl1.8Cu0.7B0.3Si0.1 high-entropy alloys were comparatively studied. The arc-melted alloy contains lots of long strip borides distributed in the body-centered cubic phase, with a hardness about 643 HV0.5. Laser-cladding can effectively inhibit the boride precipitation and the laser-cladded...
Al-substituted M-type hexaferrite is a highly anisotropic ferromagnetic material. In the present study, we report the synthesis and the characterization of BaAl4Fe8O19 powder from two microemulsion systems of po1yoxyethylene octylphenol ether/1, 2-propylene glycol, or ethanol/cyclohexane/water and cetrimonium bromide/1, 2-propylene glycol/cyclohexane/water. Two microemulsion systems were found to...
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