采用均匀颗粒成型法(Uniform Droplet Spray-UDS)制备出Sn-5%Pb合金微粒,颗粒的粒度分布均匀,性能一致.用非绝热容量法测量了在N2-2%H2气氛下Sn-5%Pb微粒的焓,并分析了颗粒的显微结构,结果表明:Sn-5%Pb微粒具有较大的过冷度和亚稳态结构.
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