1)  brittle failure
脆性破坏
1.
The paper recounts the characteristics of beam-to-column connection failures of steel construction from welding quality,scale of plastic hinge and pressure distribution of beam flange and analyzes the causes of brittle failure occurrence.
从焊接质量、塑性铰范围、梁翼缘应力分布3个方面阐述钢结构梁柱节点脆性破坏的形态特征,并分析了钢结构梁柱节点发生脆性破坏的原因,且从节点连接强度和采用3种新型节点两个方面简要阐述了保证节点强度的措施,为钢结构梁柱设计与研究提供参考。
2.
Based on the discussion properties of brittle failure of frozen soil, requirements on dimension of sample for the definition of fracture toughness under linear elastic and plane strain condition are analyzed in this paper.
在讨论冻土脆性破坏特征的基础上,分析了线弹性适用条件及平面应变断裂韧度测试对试样尺寸的要求。
3.
Aiming at brittle failure of hard rock(taking limestone for example),true triaxial and acoustic emission experiments are adopted to study the mechanical characteristics,deformation and failure mechanisms,characteristics of acoustic emission(AE) activities and law of energy release.
针对硬岩的脆性破坏问题,利用真三轴和声发射(AE)试验系统研究了灰岩试样在不同应力路径和应力水平下的力学特征与变形破坏机理、AE活动特征及能量释放规律。
2)  brittle fracture
脆性破坏
1.
3-D stresses in a flat slab with a crack in tension and the effect on brittle fracture;
含缺口受拉平板三维应力场及其对脆性破坏的影响
2.
The following paper introduces the conception of short column,analyzes its damage conformation,points out the part easily formed short column,and discusses its design elements,in order to help designers well do the design of short column,increase the ductility of short column,improve its deformation capacity,and avoid brittle fracture.
介绍了短柱的概念,对短柱的破坏形态进行了分析,提出了易形成短柱的部位,深入地探讨了短柱的设计要点,以帮助设计人员搞好短柱设计,从而提高短柱的延性,改善短柱的变形能力,避免脆性破坏的发生。
3)  fracture failure
脆性破坏
1.
The moment resistance and ductile behavior of these specimens are analyzed, and the sensitivity to fracture failures is assessed.
分析了不同形式节点的承载性能和延性特征,总结了不同节点构造对节点脆性破坏的敏感性。
2.
The fracture failure easily occurred at the traditional steel frame s rigid joints under seismic loading.
在地震荷载作用下,传统钢框架刚性节点因为节点处焊缝应力集中明显而容易产生脆性破坏
4)  brittle damage
脆性破坏
1.
Quantitative discussion is given on damage form of torsion member by theory of catastrophe, and the brittle damage’s criterion of torsion member is given.
按实际情况考虑加载装置的刚度 ,据能量守衡原理建立加载装置 -受扭构件系统作准静态变形时的平衡方程 ,采用突变理论的观点和方法对受扭构件的破坏形式问题作了定量讨论 ,给出构件脆性破坏判据 。
5)  brittleness destroy
脆性破坏
1.
The disservice of brittleness destroy of low temperature material were introduced,the import of impact test for low temperaturematerial was emphasized,the impacting test condition as per GB150 and ASME code were distinguished,how estimation for exempt material impacted test as per ASME code.
介绍了材料低温脆性破坏的危害性,强调了低温冲击的重要性,简单地对按GB 150与ASEM规范设计的材料进行冲击试验的条件加以区分,着重并较系统地论述了按ASME规范判断材料免除冲击试验的方法。
2.
Based on the experiment of a 30m-span prestressed concrete box-beam, the brittleness destroy when load less then high-point one has been analysied.
笔者依据30m跨径预应力砼足尺薄壁箱梁的试验研究,分析了其在尚未达到预期极限荷载下发生脆性破坏的原因,提出对在底板中设置预应力束的薄壁箱形预应力砼结构,应计入预应力束因梁体变形产生反向作用力的不利影响,并据此提出了预应力束上保护层厚度的建议公式。
6)  brittleness
脆性
1.
Discussion on Brittleness of Extruded Stainless Steel Pipe 2Cr25N with High Chromium;
高铬铁素体不锈钢2Cr25N挤压管脆性问题探讨
2.
Interior brittleness process of coal mine accident system;
煤矿事故系统内部的脆性过程
3.
Influence of Mineral Compositions of Cement on Brittleness of Sand Grout;
水泥矿物成分对砂浆脆性系数的影响
参考词条
补充资料:冲击脆性试验
分子式:
CAS号:

性质:在一定温度下对固定的试片给予一定的冲击,以观察试片破坏或龟裂等异状的试验,是评价材料抵抗冲击能力或判定材料脆性或韧性的重要试验方法。常见的冲击试验有摆锤式、落球式和高速拉伸冲击试验等。高分子材料的抗冲击性受温度、湿度、冲击速度、几何形状、材料历史以及应力方式等诸多因素的影响。

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