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- cleavage fracture strength 解理断裂强度
- Fracture measurements show that the mode attributed to cleavage fracture. 断口实验结果表明,接头断裂模式为解理断裂。
- The fractography of this steel changes from dimple fracture into cleavage fracture and inter-granular rapture. 该不锈钢的夏氏V型缺口(CharpyV-notch)冲击试样断口形貌随着时效时间的延长由韧窝断裂为主向准解理断裂和沿晶断裂为主变化。
- The fracture appearances transfer from dimple to intercrystalline fracture with the temperature drops and cleavage fracture appear when work hardening happened. 冲击断口由室温下的韧窝断口逐渐转化为低温下的沿晶断口,在加工硬化时还会出现解理断口。
- The fractography of this alloy is changed from dimple fracture into cleavage fracture and inter-granular rapture with the extension of aging time. 另外,该不锈钢的CVN冲击试样断口形貌随着时效时间的延长由韧性断裂机制的韧窝断裂为主向脆性断裂机制的准解理断裂和穿晶断裂为主变化。
- In the neighbourhood of the unhealed porosities the alloy matrix appeared to be embrittled and in certain cases cleavage fracture was observed. 未锻合疏松周围的合金基体有一定变脆倾向,有时可以观察到解理断口。
- Hard brittle particles can have an important influence on cleavage fracture in steels, and can act as cleavage initiators. 钢中的脆硬粒子对钢的解理脆断有直接的影响,解理断裂源大都发生在脆硬粒子上。
- The fracture morphology of matrix metal is dimple fracture and tear dimple, however, that of the cemented carbide is brittle cleavage fracture and intergranular fracture. 在冲击载荷作用下 ;基体金属断裂表现为高塑性的韧窝断裂 ;且存在一定撕裂棱 ;而硬质合金的断裂为脆性穿晶解理断裂或沿晶断裂 .
- Fractographic observations showed that hydrogen could induce surface cracks for smooth specimens and a cleavage fracture pattern for notch specimens at RT. 破断面观察结果显示,在室温中,氢气会导致平滑试片在表面形成裂纹,而在凹槽试片中产生劈裂破坏形态。
- The fractures of the alloys change from dimple to cleavage fracture with river pattern. 合金的断口形貌由韧窝向河流花纹状的解理形貌转变。
- The Study of Residual Thickness and Fracture Strength in Maxillary Premolars after Post Space Preparation. 上颌前磨牙桩道预备后剩余根管壁厚度和抗折强度的研究
- The electrical method is proposed to measure the fracture strength of polysilicon, so the measurement is simple. 就是说,使用电测量的方法测试多晶硅的断裂强度,有测试方法简单的效果。
- The microstructures and the relations between bonding rate and bending and fracture strength were analyzed. 分析了弯曲强度、断裂挠度与焊合率之间的关系及接头的金相组织。
- In other word, thearnount of snake-like dimple on fracture surface is determined by the amount ofpearlite in the sintered steels. In the case of higher carbon content(e. g. 0. 76% ),cleavage fracture is observed. 韧性断裂所占的份额取决于烧桔钢中的碳含量、冷却速度及退火温度,即烧结钢中的珠光体数量决定统形韧窝的数量,在高碳时(如0.;76%25C),还出现解理断裂。
- Ductile-brittle features appear in the fracture. Intergranular and cleavage fracture take place in the grain of A12O3. Ductile fracture appears in the bonding phase, and slight tearing edge it formed. 该材料断口呈韧-脆特征;沿晶与解理为Al_2O_3颗粒的两种主要断裂机制;粘接相的断裂以解理与撕裂为主;有轻度撕裂棱产生.
- On the other hand, using cast post is suggested to increase the fracture strength and prevent non-reparable failure under reduced bone condition. 但是在齿槽骨高度丧失的情况下,不管使用哪一种根柱皆易造成不可修复性破坏,则建议以强度较高的铸造式根柱来复形。
- It is revealed that pre-stressing of fibers could effectivelyincrease the elastic limit,yielding strength and fracture strength of VIRALL Iaminates. 结果表明,纤维预拉伸应力能有效地提高VIRALL复合板的弹性极限、屈服强度以及断裂强度。
- By adjusting the basicity or the content of MgO,CaF2 and FeO,the fracture strength and compression strength of different binding phase were discussed. 以包钢含氟烧结矿的粘结相为研究对象,考察了粘结相自身的抗折、抗压强度随粘结相组成的变化规律。
- In this paper, The RBSC ceramics had been prepared by dry pressing, which exhibit density of 3.17 g/cm3 or fracture strength of 625MPa. 本文用干压成型法分别制备出了密度为3.;17 g/cm3和断裂强度为625MPa的高密度RBSC材料。
- Therefore, most concerns about reattachment techniques have been directed toward the fracture strength of the restored tooth. 因此,对于再附着技术最为关注的重点就是使牙体组织折裂的力。