ratio of strength to weight

The high strength-to-weight ratio of titanium is utilized to obtain the high tip speeds required for LH2 impellers and inducers.

高强度-重量比钛是利用以获取高尖端的速度所需的lh2叶轮和诱导。

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With nicer specific stiffness, specific strength and higher heat resistance, titanium alloy is the key material for high performance aero-engine to reduce weight and improve thrust-to-weight ratio. Thus it is widely used in fan, compressor and other components of modern aero-engines.

钛合金具有良好的比刚度、比强度以及较高的耐热性能，是高性能发动机减轻结构重量、提高推重比不可或缺的关键材料，因而在现代航空发动机风扇、压气机及其它构件中得到了广泛应用[1-3]。

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Moreover, DSC results indicated that the equivalent reactant ratio gave rise to the complete chain-extending, and the highest molecular weight and tensile strength of the copolymer was present.

另外DSC结果发现，合成共聚物的原料配比对材料的结构和性能有影响，反应物以等摩尔当量配比时，样品的扩链反应最完全，相应的分子量也可能最高，同时抗张强度最高。

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Materials with high strength to weight ratio, low coefficient of thermal expansion and high wear and corrosion resistance.

它具有高的比强度，低的热膨胀系数和高的表面强度。

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