This paper deals with the low frequency damping of ZA27 alloy with solid solution treatment after natural ageing stability.
研究了固溶化处理的ZA2 7合金在自然时效稳定后的低频阻尼。
The effects of IPA and DTG additions on thermal properties of chips and thermal shrinkage and ageing stability of fibers were studied.
研究了IPA,DTG的添加量对切片的热性能和纤维的热收缩率及经时稳定性的影响。
Casting aluminium alloy ZL305A is a new shipbuilding material with high strength, good ageing stability, excellent corrosion resistance.
本文介绍研制的新型铸造铝合金zl305a是一种强度高，时效稳定性好，耐蚀性优良的船用新材料。
And tests showed that there are considerable advantages for aluminium triformate in area yield, area weight, firmness properties and ageing stability.
试验证明，采用三甲酸铝为鞣剂，成品革在面积得革率、单位面积重量、紧实性以及耐老化性等方面都具有优越的性能。
And tests showed that there are considerable advantages for aluminium triformate in area yield, area weight, firmness properties and ageing stability.
试验证明，采用三甲酸铝为鞣剂，成品革在面积得革率、单位面积重量、紧实性以及耐老化性等方面都具有优越的性能。
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