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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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Pr-Fe二元系合金相图
, PP. 144-145
Abstract:
对于Pr-Fe二元系,Ray等早期研究确定有六方晶系PrFe_7(a=8.582,c=12.461)存在.文献指出在常压下只存在Pr_2Fe_7,而在一定压力下还有PrFe_2.文献表明有Pr_2Fe_(17)和PrFe_2,分别在1100和670℃由包晶反应生成,共晶反应(80-85at.-%Pr)温度为660℃,但对PrFe_2的存在尚未肯定,而且未测出液相线.我们的实验,采用纯度99.95%Pr和99.99%Fe,共配制各重3g的38个合金试样,在氩气保
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