The fracturing pressure is dependent on in-situ stress, well deviation and the anisotropy of tensile strength.
井壁的破裂压力不仅取决于地应力,还与井眼形态和地层的强度各向异性有关。
In addition, the degree of anisotropy of tensile strength is largest compared with that of other physical properties.
而且,实验结果也表明,抗压强度的各向异性程度比其他各种物性指标的各向异性程度都要大。
Big ferrites and hot rolling texture are left behind in particle structures, Which leads the anisotropy of mechanics, so the tensile strength and elongation rate reduce.
含有粗大的铁素体晶粒和残留的热轧织构,引起力学性能的各向异性,导致了抗拉强度和延伸率的降低。
A microstructure tensor and loading direction are incorporated in the distribution functions of anisotropy parameter, uniaxial compressive strength and uniaxial tensile strength.
各向异性参数、单轴抗压强度和单轴抗拉强度是分布函数,其分布可以用微结构张量和加载方向表示。
The results show a decrease of tensile strength and mean vertical anisotropy and an increase of plane anisotropy with a decreasing of the width of specimen.
结果表明随着试样宽度的减小,抗拉强度、厚向异性系数减小,板平面方向性系数增大;
Yield strength and ultimate tensile strength, work hardening exponent and normal anisotropy of plastic strain ratio decrease but planner anisotropy of plastic strain ratio increases.
屈服强度、抗拉强度、加工硬化指数和塑性应变比厚向各向异性降低,塑性应变比平面各向异性增大;
Yield strength and ultimate tensile strength, work hardening exponent and normal anisotropy of plastic strain ratio decrease but planner anisotropy of plastic strain ratio increases.
屈服强度、抗拉强度、加工硬化指数和塑性应变比厚向各向异性降低,塑性应变比平面各向异性增大;
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