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- The emphasis was put on the critical indentation depth with the influence of the yield strength ratio of the soft film to the harder substrate and the size of the indenter. 重点研究了平压头压入过程中;不同屈服强度比(软薄膜屈服强度与硬基体屈服强度之比)以及不同压头尺寸下硬基体对压痕规律的影响.
- Yield strength ratio 屈服强度比
- With an increase in extrusion ratio, the extend of fining grain intensify and the size of grain changes, and hence the yield strength and brinell hardness increase. 随挤压比的增大,晶粒细化程度增加;强度、硬度随挤压比的增大而增大。
- With the increase of SiC foam aperture, the compressive strength, elastic modul and yield strength of the composites increase, but the ratio of compress decreases. 当筋具有双层结构时, 复合材料的强度最低;
- Yield strength, initial flexure and length-to-diameter ratio of corroded reinforcing bars have been taken into the consideration of the analysis of the capacity degeneration. 分析锈胀开裂的混凝土结构中局部箍筋锈断致使受压区锈蚀纵筋在未达到全截面屈服时发生非线性屈曲的规律。
- Desirable properties for forming include low yield strength and high ductility. 令人满意的成形特性包含了低降伏应力和高延展性。
- Experiments are carried out to determine the high-temperature mechanical properties, such as yield strength, tensile strength, elongation, Poisson ratio and stress-strain relationship, of fire-resistant steel made by the Maanshan Iron &Steel Co. 摘要为了得到高温下耐火钢的材料特性,对马钢集团开发的耐火钢在高温下的力学性能进行了试验研究。
- It is found that BE causes yield strength to be decreased,strain hardening exponent to be divided into two segments,the yield ratio nearly keeps unchanged in plate in comparison with that in tube. 试验发现包申格效应导致屈服强度降低,应变硬化指数明显分为两个阶段。板与管相比,屈强比无明显改变。
- The main function of tensile test in mechanical property testing of micro-sized structure is measurement question of elastic ratio,Poisson s ratio,yield strength anad fracture strength. 微构件材料力学性能测试中,拉伸测试主要解决材料弹性模量、泊松比、屈服强度和断裂强度的测量问题。
- Pearson correlation was used to analyze the absolute error of angle and E/I strength ratio. 以皮尔逊积差相关系数分析整体绝对误差角度与肌力比值的关系。
- Oxygen precipitates (useful for gettering) can reduce the yield strength (critical shear stress) up to fivefole. 氧沉淀(可用作吸杂)会使屈服强度(临界剪应力)降低为五分之一。
- There were no significant correlations between proprioceptive function and E/I strength ratio. 本体感觉功能和肌力比值未达显著相关。
- The welder shall be capable of welding (full hard cold-rolled) steel with yield strength of up to 85Kg/mm2. 焊机应能焊(冷轧全硬)其屈服强度大于85Kg/mm2的钢带。
- The V-N microalloy steel with yield strength of 550 MPa is produced by EAF-CSP route. 目前,在EAF-CSP流程中通过V-N微合金化技术可成功生产屈服强度为550 MPa的高强度低合金钢。
- The result show that the yield strength of the bars drop apparently and the tensile strength rise a little. 结果表明,自然时效后钢筋的屈服强度有较大幅度下降,抗拉强度有小幅度的上升。
- Oxgen precipitates (useful for gettering) can reduce the yield strength (critical shear stress) up to fivefole. 氧沉淀(可用作吸杂)会使屈服强度(临界剪应力)降低为五分之一。
- When the SO 3 content in FBC (fluidized bed combustion) ash was varied, influence of SO 3 on K a of that ash was consistent with that on strength ratio of mortar. 改变循环流化床含硫废渣中的SO3含量 ;其对Ka 和胶砂强度比的影响也相同 .
- Change of molecular magnetic moment of motherliquor and shear yield strength are studied in magnetorheological fluid. 对磁流变液中母液分子在磁场作用下磁矩的变化以及由此引起的剪切屈服强度的变化进行了研究.
- Methods Found the relationship of aortic dissection false lumen s ectonexine of aortic tunica media by test and measurement their shape-changed strength ratio. 方法通过胸主动脉夹层假腔内外层的屈服形状改变比能,发现两者间的关系。结果60%25的实验犬形成夹层模型。
- The significant changes of muscle strength ratio in different directions could indicate compensatory mechanisms developed by the patients to unload the ACL. 结果表明各样本组肌肉力量比值在不同方向上存在显著性差异。