By this method, the shear strain and shear strain rate within the shear bands of the serrated chips of 30CrNi 3MoV steel in high speed machining were investigated. Furthermore, the influence of cutting speed and tempering hardness on the shear strain and shear strain rate was discussed. The...
(1)复合增长率的公式:r=(1+r1(1+r2)-1=r1+r2+r1×r2;(2)比重增减公式:(A/B)×(a-b)/(1+a)(注意a为分子的增速,b为分母的增速。)(注意a为分子的增速,b为分母的增速。)相关应用:全国2007年认定登记的技术合同共计220868项,同比增长7%;总成交金额2226亿元,同比增长22.44%...
shear strain rate 美 英 un.剪切应变速率;剪应变速度 英汉 un. 1. 剪切应变速率 2. 剪应变速度 例句
Under this assumption, the shear stress τ can be concerned with the shear strain γ through the elastic shear modulus G. (1)τ=Gγ For simplification, the shear modulus G is assumed to be proportional to the pressure. Furthermore, assuming the Hertzian pressure distribution and uniform film ...
a Gxx (flow direction) increases with shear rate to some maximum and then drops as rings align into the flow–vorticity plane and experience less strain. b Gzz (vorticity direction) decreases to a minimum and then shoots up at values of \(\dot{\gamma }\) that anticipate the inflation ...
The differential stress of deformed amphibolite under wet conditions was only B30 to 50% of that under dry conditions at the same temperature and strain rate (Table 1). This water-induced weakening of amphibolite coincides with the results of earlier experimental studies21,25. Seismic velocity and...
a假设为100 The supposition is 100[translate] anormalized shear strain rate 使剪力类型比率正常化[translate]
The shear rate represents an equivalent strain rate and can be replaced by the von Mises equivalent strain rate Deq: Table 1. Main constitutive equations for semisolid alloy considered as suspension Ostwald-de-Waele (also known as power or Norton-Hoff law in solid mechanics) η=Kγ˙m−1m...
where γp is the pre-strain, μ0 is a material constant, n is the strain-hardening index, m is the strain-rate sensitivity index and v is the thermal softening coefficient. The main drawback of using such a model is the estimation of the mean shear strain-rate γ¯˙=Vs/ts. As ...
2) shear strain rate 剪切应变率 1. Distribution and evolution of shear strain rate,in-and off-plane displacements in free surfaces were investigated. 因此,本文采用FLAC-3D研究了三维岩样在单轴压缩及强烈端面约束条件下,自由面的剪切应变率、离面位移及面内位移的分布及演变规律,研究了自由面垂直对称...