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Stainless steel powder intermixed with boron nitride powder for enhanced machinability of sintered powder metal parts
Stainless steel powder intermixed with boron nitride powder for enhanced machinability of sintered powder metal parts
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机译:将不锈钢粉末与氮化硼粉末混合使用,以提高粉末金属烧结件的切削性能
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摘要
An elemental powder or powder of compounds is disclosed consisting essentially of the primary metals chromium, nickel and molybdenum for blending with an atomized, prealloyed, stainless steel powder and followed by pressing the powder into a part for sintering includes an additive incorporated into the matrix of the stainless steel powder that enhances the machinability of the part and serves as a chip breaker. Among the candidate additives are hexagonal boron nitride, a powder with lubricating qualities, Monel Metal (Ni—Cu), cupro-nickel (Cu—Ni), and powders of electrical resistance alloys such as 80-20 alloy (80Ni—20Cr), 70-30 NiCr, Ni—Cr—Fe—Si alloys, and molybdenum disilicide (MoSi2).
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