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- brittleness and ductility 脆性与延性
- Excellent toughness and ductility in all directions. 不论大小尺寸，韧性及延展性高高且各向同性。
- It is very brittle and difficult to work . 生铁很脆，很难加工。
- It is very brittle and difficult to work. 生铁很脆，很难加工。
- This metal is light and workable and ductile. 这种金属既轻，又易加工，延展性也好。
- The bones of elderly people become brittle and easily broken. 老年人的骨头变得脆弱，很容易骨折。
- It is brittle and breaks with a conchoidal fracture surface. 性脆，具贝壳状断口。
- The strength and ductility of a material are two characteristics needed by the designer. 材料的强度和延展性是设计员需要掌握的两种特性。
- They will be robust in the face of surprises and avoid the brittleness and fragility of previous expert systems. 它们对突发事件具有极强的应变能力;并且避免了传统专家系统的脆弱和易被攻击的弱点.
- The hardness, brittleness and wear resistance of Re Chrome boronized layer and boronized layer are studied. 通过对钢单渗硼层和稀土硼铬共渗层的硬度、脆性和磨损特性进行研究。
- The results indicate that the confinement of CFS increases the compressive strength and ductility of reinforced concrete square columns remarkably. 结果表明：碳纤维布包裹加固钢筋混凝土方柱，能有效提高其轴心抗压极限承载力，大大改善其延性。
- Tungsten heavy alloy is very attractive as a kinetic penetrator due to its high density, high strength and ductility. 钨合金与贫铀弹相比,在穿甲过程中由于形成“蘑菇头”而不能形成很好的绝热剪切带而使其穿甲性能不及贫铀弹。
- PIR is tried to modify PUR, which can decrease the brittleness and keep the heat resist-ance of PIR to satisfy industrial applications. 试图用聚氨酯(PUR)来改性聚异氰脲酸酯(PIR),以降低脆性,并保持耐热性,从而达到工业上使用的目的。
- The result of the experiments shows that the pin benefit to improve the capacity for mucosity and ductility. 试验表明,销钉的存在使得界面粘结能力及延性均有提高,尤其是当销钉数量较多且分布较均匀时。
- Macromolecule materials are added into urea-formaldehyde-resin todecrease its brittleness and contractility, and increase its water-resistance. 在脲醛树酯中加入其它高分子材料，降低其脆性和收缩性，提高其耐水性。
- It is difficult to be machined by conventional machining because of the features of high hardness, brittleness and nonconductive. 近年来,高压磨料水射流加工工程陶瓷的方法越来越受到人们的重视。
- Grain boundaries have an important influence on the strength and ductility of metals. 晶界对金属的强度和延展性有极大的影响。
- The coatings prepared from conventional peelable paints have high brittleness and can hardly be peeled off in a large area. 一般的可剥性涂料成膜后所形成的涂层较脆,不能够大面积剥离,在金属防锈方面比较差,更不具有对金属气相防锈的功能。
- Roomtemperature brittleness and improvement methods of ordered TiAl alloys[J].Chinese Journal of Rare Metals,1993,17(4):295-300. TiAl有序合金的室温脆性与改善途径[J].;稀有金属;1993;17(4):295-300
- The microstructure and reasons for higher strength and ductility of the alloy have been analyzed in particular. 本文着重分析了该合金的组织形成和具有高强韧综合性能的原因。
