钢材的力学性能对钎头使用效果均有一定影响。
The mechanical properties of steel have an influence on the service effect;
金相试验表明，适当降低轧制温度有利于晶粒的细化，从而改善钢材的力学性能。
Metallographic experiment indicate that reducing the rolling temperature properly is propitious to thin crystal, consequently the mechanical performance of steel products is also improved.
分析、例举了预应力钢材力学性能试验中常见的误差！
The paper listed the common error in mechanical property test of PC steel products.
经含钡合金处理的钢材力学性能，如疲劳、横向冲击韧性和各向异性可得到显著改善。
The mechanical properties such as fatigue, transverse impact toughness and anisotropic properties of steels treated with Ba-containing alloys are remarkably improved.
钢材的化学成分和轧制时的工艺参数影响着高速线材的力学性能。
The steel's chemical composition and the process parameters influence the mechanical properties of high speed wire.
冷弯型钢是一种截面形状合理、力学性能良好、钢材利用率高的环保型建材。
Roll formed shape is an environmental protective building material with reasonable section shape, good mechanical property and high utilization of steel.
夹层结构是一种力学性能优越的承载结构，它可以充分发挥材料的作用，做到物尽其利，达到节约钢材的效果。
Sandwich structure is a bearing structure with excellent mechanics performance, which can fully display material function, ensuring materials maximum utilization, achieving the result of steel saving.
研究目的：钢轨钢材在低温下力学性能变差，容易发生脆性破坏，这直接威胁着铁路运输的安全。
Research purposes: at a low temperature, the mechanical properties of rail steel get worse and brittle (failures) can happen more easily.
高温下钢材力学性能的确定是进行钢结构抗火反应分析的重要组成部分，为此进行了一系列钢材高温材性试验。
The determination of mechanical behaviour of structural steel at high temperatures is of particular importance for fire resistant analysis of steel structures.
火灾后组成钢管混凝土的钢材和混凝土力学性能的降低，可能造成钢管混凝土柱抗震性能的改变。
The strength of concrete and steel decrease a lot after exposure to fire. As a result, the seismic performance of concrete-filled steel tubular (CFST) columns may be changed.
对经多种热处理工艺处理的四种钢材，在水轮机模拟圆盘仪上进行了磨蚀试验及力学性能测试。
The abrasion experiments and mechanical tests of 4 kinds of steels treated with heat are conducted on hydraulic turbine simulation disc equipment.
连铸坯的凝固组织和成分偏析是影响钢材力学性能均匀性的重要因素。
Solidification and composition segregation of billet are important factors which affect homogeneity of mechanical property of steel.
优点：可以破坏钢锭的铸造组织，细化钢材的晶粒，并消除显微组织的缺陷，从而使钢材组织密实，力学性能得到改善。
Advantages: it can destroy the ingot casting, steel grain refinement, and eliminating the defect in microstructure, thus making steel tissue close-grained, with improved mechanical properties.
竹材具有相当好的力学性能，其抗拉强度约为木材的2倍，抗压强度约为木材的1.5倍，竹材的比强度高于木材和普通钢材。
It occupies the head of every country. Bamboo has good mechanics performance, the intensity of tension of bamboo is 2 times of that of wood, and intensity of pressure is 1.5 times.
竹材具有相当好的力学性能，其抗拉强度约为木材的2倍，抗压强度约为木材的1.5倍，竹材的比强度高于木材和普通钢材。
It occupies the head of every country. Bamboo has good mechanics performance, the intensity of tension of bamboo is 2 times of that of wood, and intensity of pressure is 1.5 times.
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