hardening crack
英 [ˈhɑːdnɪŋ kræk]
美 [ˈhɑːrdnɪŋ kræk]
网络 硬化淬裂
双语例句
- It has been shown that the anodic current has no direct influence on internal material at crack tip, but can relieve the surface strain hardening and enhances the crack tip surface deformation significantly.
阳极溶解对金属内部材料的形变没有直接的影响，只能缓解金属表面的变形硬化，促进金属的表面变形。 - A modified hardening Dugdale strip yield model is proposed. The stress filed around ductile crack tip is determined by hybrid experimental-numerical analysis method.
提出了修正的强化Dugdale条带屈服模型，并用实验-数值计算混合法确定了强化弹塑性材料裂纹顶端附近的应力场参数。 - It is showed that: 1. The quenching temperature, or the tempering temperature, or thc mechanism of crack propagation, or the size of carbide particals, or the depth of hardening effects to the rate of crack propagation da/ dN.
实验结果表明：1.淬火温度、回火温度、疲劳裂纹扩展机制、二次碳化物的尺寸、试样的淬硬深度等因素均影响疲劳裂纹扩展速率。 - The retardation phenomenon following the occasional overloading can not be explained as a result of strain hardening of the material in front of the crack tip and the author intends to refer the retardation phenomenon to the closure effect of the fatigue crack.
超载后裂尖前沿材料的应变硬化不是导致延迟阻碍现象产生的原因，而宜用裂纹闭合效应来解释延迟阻碍现象。 - The results show that the cycle hardening occurs when the fatigue cycles are in the total strain range of 0. 4%-1%, and the fatigue crack initiates at the specimen surface, and the specimens have multi-fatigue source.
结果表明：该材料在高温400℃时，在总应变量0.4%-1%范围内，呈现循环硬化的趋向；裂纹萌生于试样的表面，并且呈现多源的现象； - In order to ensure the construction quality of massive concrete, it is critical to strictly control the concrete temperature difference caused by hydration heat in hardening process besides the requirements of strength grade and impervious grade so as to prevent concrete crack due to temperature stress.
为确保大体积混凝土施工质量，除须满足强度等级、抗渗等级，关键要严格控制混凝土在硬化过程中水化热引起的内外温差，防止因温度应力造成混凝土产生裂缝。 - On condition that the sprocket ′ s hardness and effective hardening case depth meets the technical requirements, UCON A quenchant can minimize the PM sprocket ′ s induction quenching stress, and hence control the quenching crack rate within 1%.
在链轮硬度与有效硬化层深度达到技术要求的情况下，UCONA型水溶性淬火介质使铁基粉末冶金链轮感应淬火冷却时的应力降到最小，从而把淬火开裂比例控制在1%以内。 - On the basis of thermodynamics principles, the effect of hardening on the temperature of the crack tip is studied by using internal variable theories.
从热力学理论的框架出发，采用内变量理论，研究了硬化对裂纹尖端温度的影响。 - Ca ( OH)_2. The ettringite produced during cement hydration and hardening acts as filler to capillary pore and crack.
水泥水化硬化过程中生成的钙矾石，能填充、堵塞水泥石中的毛细孔缝。 - If the crack tip slip system was preferably activated by pure mode ⅱ resolute and the decreasing rate of hardening coefficient was enough, then the local deformation band ahead of crack tip was easy to be formed.
当裂纹尖端优先在纯II型应力分量作用下开动与裂纹共面的滑移系、并且有合适的硬化系数下降速率时，裂尖易形成局部形变带。 - The secondary plastic zone can be ignored for weak hardening materials while the secondary plastic zone and the secondary elastic zone both have important influence on crack tip field for strong hardening materials.
弱硬化材料的二次塑性区可以忽略，而较强硬化材料的二次塑性区和二次弹性区对裂尖场均有重要影响。 - The results show that as far as possible without affecting ultra high toughness cementitious composite strain hardening properties, by improving the fracture toughness of the matrix and fiber strength to improve the tensile strength ( in particular, first crack strength) is an effective way.
结果表明在尽可能不影响超高韧性水泥基复合材料应变硬化特性的前提下，通过提高基体断裂韧度和纤维强度来提高材料拉伸强度（特别是初裂强度）是一条有效的途径。