1)  force triangle
力三角形
2)  stress triaxiality
应力三轴度
1.
The specimens of 6063 aluminum alloy are tensioned under different stress triaxiality and different strain rates,the mechanical properties of 6063 aluminum alloy can be drawn.
对6063铝合金试样在不同应力三轴度和不同应变率下进行拉伸试验,得到了该合金在这两种情况下的力学性能。
2.
Tensile,compression,torsion,and fine blanking tests of 45 steel were performed, and the stress triaxiality and ductile damage of each test are analyzed with FEM.
以45中碳钢为研究对象,进行了拉伸、压缩、扭转、精冲实验,并结合有限元对各实验过程中的应力三轴度和延性损伤进行了分析,归纳了金属材料的3种延性损伤机理:无空穴影响剪切损伤、剪切型空穴损伤和拉伸型空穴损伤。
3.
A study is made to determine how the stress triaxiality, temperature and strain rate could influence the fracture strain of SiC particulate reinforced metal matrix composites (PRMMCs).
研究了应力三轴度、温度、应变速率对颗粒增强金属基复合材料 (PRMMCs)断裂应变的影响。
3)  stress triaxiality
应力三维度
1.
The experiment study on the stress triaxiality with the fracture mechanism for 16MnR steel;
16MnR钢应力三维度与断裂机制的实验研究
2.
By investigating the fracture phenomena of several types of alloy steels in the process of conventional destructive test and mixed fracture test,several macroscopic fracture forms under different stress triaxiality are analyzed.
通过研究几种合金钢在常规破坏试验和复合型断裂试验过程中的断裂现象,分析不同应力状态下的断裂试验结果,发现随应力三维度由大到小变化,材料的断裂形式依次为组织断裂、孔洞正断、孔洞剪断、塑性剪断及焊合。
3.
The relation of stress triaxiality vs fracture mechanism is obtained.
通过对BHW35钢光滑圆柱和圆周切口试件的拉伸实验,分析了试件的变形过程和宏观断裂特征,得出了应力三维度与断裂机制的关系。
4)  stress triaxiality
应力三轴比
1.
The stress triaxiality was defined in terms of stress invariants.
提出了一种新的损伤塑性本构模型,定义了一个用应力不变量表示的应力三轴比,强调了应力三轴比对塑性屈服的影响。
2.
A plastic constitutive damage model was proposed with special concerns being put on simulating the stress triaxiality-dependent hardening phenomena.
提出了一种新的损伤塑性本构模型,强调了应力三轴比对塑性屈服的影响。
5)  stress tri-axicity
应力三维度
1.
Based on the test results for mixed mode fracture of some ductile materials, the varying laws for shape of hole nucleation and polymeric mode along with the varying of the stress tri-axicity were analyzed.
考察了几种金属材料在常规破坏试验与拉-扭双轴破坏试验中,随受力条件不同,材料不同形式断裂破坏变化规律和相应的断裂条件;利用几种韧性材料复合型断裂试验结果,分析了随应力三维度变化,材料中孔洞成核形状与聚合方式的变化规律,分析了不同断裂形式时启裂点、启裂方向变化规律及主要影响因素。
2.
The stress tri-axicity is used as stress parameter for reflecting the specification of fracture.
一般用应力三维度作为应力状态参数来反映材料断裂情况,但应力三维度是通过试验来测定的,试验过程具有不确定性。
6)  stress triaxiality
应力三轴性
1.
Crack tip stress triaxiality in welded joints;
焊接接头中的裂端应力三轴性
2.
In this paper, a two dimensional finite element method is employed to investigate the effect of heterogeneous factors in welded joints on the constraint intensity——stress triaxiality near the crack tip under the plane strain condition.
采用有限元方法研究了平面应变条件下焊接接头中不均匀性因素对裂端拘束强度——应力三轴性的影响。
参考词条
补充资料:星形-三角形变换
      一种简单的电路间等效变换。 以阻抗为参数的3个电路元件的星形连接如图1所示, 三角形连接如图2所示。当这两种连接有相同的外特征时,二者便可等效互换。互换的规则是:将星形连接变换成三角形连接,要求后者的参数与前者的参数之间有如下的关系,即   (1)
  反之,将三角形连接变换成星形连接,则需要
   (2)
  当Z1=Z2=Z3=Z时,式(1)简化为Z12=Z23=Z31=3ZZ12=Z23=Z31=Z 时,式(2)简化为式(1)和式(2)称为两种连接间的互换公式。
  

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