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加入纳米Ni粉对微米级Fe粉试样烧结工艺及性能的影响
THE EFFECT OF NANOMETER Ni POWDER ON SINTERING AND PROPERTIES OF Fe POWDER SAMPLES
【摘要】 进行了真空状态下微米级Fe粉试样以及加入纳米Ni粉的微米级Fe粉试样的烧结试验。得出如下结论:添加1%纳米Ni粉的微米级Fe粉试样在900℃真空烧结2h的烧结体强度(289.61MPa)比微米级铁粉试样的烧结体强度(255.47MPa)提高13.4%。在保持烧结性能不降低的前提下,添加1%纳米Ni粉可使微米级Fe粉的烧结温度降低100℃或烧结时间缩短1h。
【Abstract】 The vacuum sintering tests of Fe powder samples with and without nanometer Ni powder were carried out.The conclusions are:the strength of sintered Fe powder samples with 1% nanometer Ni powder is 289.61 MPa,13.4% higher than that of samples without Ni nano-powders 255.47 MPa.For same properties of sintered samples the sintering temperature can be lowered by 100℃ and the sintering time can be reduced by 1 hour by adding 1% Ni nano-powder.
【关键词】 铁基粉末冶金;
纳米镍粉;
烧结试验;
烧结体性能;
【Key words】 Powder metallurgy; Nickel nano-powder; sintering test; propertiy of sintered sample;
【Key words】 Powder metallurgy; Nickel nano-powder; sintering test; propertiy of sintered sample;
- 【文献出处】 粉末冶金工业 ,Powder Metallurgy Industry , 编辑部邮箱 ,2010年01期
- 【分类号】TF124.5
- 【被引频次】1
- 【下载频次】113