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一、前言 Kesterr和Koch与Danneker在测定退火Pd的弹性模量E的温度变化时,发现在500℃附近,温度系数e比较小,而常温下的e值分别为-9×10~(-5)和-8×10~(-5)左右。其后Rayne制备了Pd单晶并在-268.9°～26.1℃温域内测Pd单晶的E值
I. INTRODUCTION Kesterr and Koch and Danneker found that the temperature coefficient e was small near 500 ° C and the e values were -9 × 10 -5 ) And -8 × 10 ~ (-5) or so. After Rayne prepared Pd single crystal and measured in the -268.9 ° ~ 26.1 ℃ temperature range Pd single crystal E value