Pb-Sn合(He)金(Jin)的(De)熔(Rong)融(Rong)
实(Shi)验(Yan)条(Tiao)件(Jian):(?)
实(Shi)验(Yan)仪(Yi)器(Qi):(?)DSC131差(Cha)示(Shi)扫(Sao)描(Miao)量(Liang)热(Re)仪(Yi)
样(Yang)品(Pin):(?)Pb-Sn合(He)金(Jin)质(Zhi)量(Liang)比(Bi)为(Wei)86% Sn + 14% Pb 。(?)
样(Yang)品(Pin)质(Zhi)量(Liang):(?)117.2 mg
不(Bu)锈(Xiu)钢(Gang)坩(Gan)埚(?)
程(Cheng)序(Xu)控(Kong)温(Wen) 为(Wei)2 K.min-1
实(Shi)验(Yan)结(Jie)论(Lun):(?)
熔(Rong)融(Rong)曲(Qu)线(Xian)呈(Cheng)现(Xian)出(Chu)两(Liang)个(Ge)峰(Feng)。(?)实(Shi)际(Ji)上(Shang)只(Zhi)有(You)纯(Chun)物(Wu)质(Zhi)的(De)熔(Rong)融(Rong)才(Cai)会(Hui)呈(Cheng)现(Xian)单(Dan)个(Ge)峰(Feng),(?)一(Yi)般(Ban)来(Lai)说(Shuo),(?)合(He)金(Jin)呈(Cheng)现(Xian)更(Geng)复(Fu)杂(Za)的(De)熔(Rong)融(Rong)曲(Qu)线(Xian)。(?)在(Zai)这(Zhe)个(Ge)实(Shi)验(Yan)中(Zhong),(?)Pb 和(He) Sn在(Zai)183.5°C时(Shi)出(Chu)现(Xian)共(Gong)熔(Rong),(?)熔(Rong)融(Rong)曲(Qu)线(Xian)结(Jie)束(Shu)时(Shi)样(Yang)品(Pin)全(Quan)部(Bu)转(Zhuan)化(Hua)为(Wei)液(Ye)态(Tai)。(?)文(Wen)献(Xian)M119展(Zhan)示(Shi)了(Liao)Pb-(?)Sn体(Ti)系(Xi)的(De)相(Xiang)图(Tu)。(?)
上(Shang)一(Yi)篇(Pian):(?)PET表(Biao)征(Zheng)
下(Xia)一(Yi)篇(Pian):(?)低(Di)温(Wen)气(Qi)体(Ti)吸(Xi)附(Fu)测(Ce)量(Liang)仪(Yi)仪(Yi)器(Qi)特(Te)点(Dian)
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