It showed that a fast cooling after drawing was of benefit to dimensional stability, straightness, environmental stress cracking resistance, and strength of the drawn tubes.
拉伸时的自然冷却会产生不均匀的产品，快速水冷却拉伸工艺能显著改善管的耐环境应力开裂性，成倍提高其强度。
All of these results could be used to characterize the creep cracking resistance of polymer materials in detail.
这些结果可全面地表征材料的耐蠕变开裂性能。
It is pointed out that the cause of decrease in cracking load is mainly due to the presence of ducts in concrete elements which weaken the bursting resistance of the anchorage zone.
指出预留孔道削弱了锚固区抗劈裂的能力，成为降低开裂荷载的主要因素。
The proper interpass temperature is required to prevent cold and hot cracking as well as the proper selection of welding filler material, to produce the proper creep resistance and toughness.
需要适当的程间温度和正确选择填充金属材料来防止冷热裂缝，产生适当的蠕变阻力和韧性。
Piston ring excellent in resistance to scuffing, cracking and fatigue and method for producing same, and combination of piston ring and cylinder block.
有提高的抗擦伤性、抗裂性和抗疲劳性的活塞环，和它的生产方法，以及活塞环和气缸体的组合。
The results showed that 2091 alloy had better resistance to stress corrosion cracking than that of traditional 2024 (CZ) alloy.
并与传统的2024（CZ）合金进行了比较。结果表明，2091合金具有较好的抗应力腐蚀能力。
Polypropylene fiber is easy to spread around uniformly in concrete, to increase in effect the cracking resistance performance of concrete.
聚丙烯纤维在混凝土中易于均匀分散，能有效的提高混凝土的抗裂性能。
This alloy retards stress corrosion cracking and has improved resistance to sulfuric acid. Alloy 20 finds wide use in all phases of chemical processing.
这种合金能够缓解金属超应力引起的腐蚀所造成的断裂，其抗硫酸腐蚀的性能也有很大的改善。合金20在化工生产过程中具有广泛的应用。
It is one of surface strengthening technology which is used to improve the resistance of fatigue fracture and stress corrosion cracking of metalic parts and components.
它是用来改善金属零构件疲劳和应力腐蚀断裂抗力的一种表面强化工艺。
Compared with the normal concrete, ratio of the splitting tensile strength to the compression strength of recycled aggregate concrete with fly ash is increased, and the cracking resistance improved.
掺粉煤灰再生骨料混凝土的拉压比与同强度等级的高强混凝土相比有所提高，抗裂性能有所改善。
So the main component concrete of the ship lock should have relatively high scour resistance and cracking resistance to improve the ship lock's safety and durability.
因此要求船闸主要部位混凝土应具有较高的抗冲耐磨和抗裂的性能以提高船闸的耐久性能。
It showed that a fast cooling after drawing was of benefit to dimensional stability, straightness, environmental stress cracking resistance, and strength of the drawn tubes.
数据说明拉伸后的快速冷却有利于管的尺寸稳定和直线度改善。
To use shrinkage-reducing agent is one of the most effective and direct measures for cracking-resistance.
使用减缩剂是最有效、直接的防裂措施之一。
High manganese steel are widely used for its excellent abrasion resistance. However it is difficult to avoid defects of decarburization, grain growth, cracking and deformation during heat treatment.
高锰钢的优良耐磨性能使其有广泛的应用范围，但在热处理过程中却难以保证所要求的显微组织，并容易引起脱碳、晶粒长大、裂纹和变形。
The resistance of nitrided J55 casing to sulfide stress cracking (SSC) was studied by C-ring testing and three-point bending testing under different conditions.
用应力环腐蚀试验和三(四)点弯曲试验研究了某J 55(即石油套管)渗氮套管在不同试验条件下的腐蚀行为，并和未渗氮套管的抗腐蚀性进行了比较。
The resistance of nitrided J55 casing to sulfide stress cracking (SSC) was studied by C-ring testing and three-point bending testing under different conditions.
用应力环腐蚀试验和三(四)点弯曲试验研究了某J 55(即石油套管)渗氮套管在不同试验条件下的腐蚀行为，并和未渗氮套管的抗腐蚀性进行了比较。
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