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金属学报  1983 

第三长周期过渡金属对PdSi_(16.5)非晶态合金热稳定性的影响

, PP. 133-140

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Abstract:

用DSC和DTA测定了淬火态和退火态Pd_(83.5-x)MzSo_(15.6)非晶态合金一系列热稳定性参数T_g,T_x,T_p,T_m,T_(liq),T_(rg),玻璃转变和结晶激活能ΔE,结晶热ΔH_c,Twyman常数等。发现前过渡金属Hf,Ta,W,Re显著地提高两种状态非晶态合金的热稳定性,后过渡元素Os,Ir,Pt,Ru,Rh对热稳定性影响较小。用Gaskell模型和Engel-Brewer过渡金属电子理论解释了前、后过渡金属对PdSi_(16.5)非晶态合金热稳定性的不同影响。

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