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Contamination from milling vials and grinding balls is one of the major problems for mechanically alloyed materials especially when brittle hard components are included. In this study, 40vol.% cubic BN/NiCrAl alloy composite, a typical example in ductile–brittle materials system, was prepared by mechanical alloying (MA) process. To minimize iron contamination arising from the stainless steel milling...
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