The authors adopted the software of finite element to simulate rock tension fracture, gave the breakdown of extensional criterion, selected the round, arch wall, rectangle, trapezoid and hemicycle as the simulation models and obtained the tension fracture forms of different shape chambers.

采用可模擬拉張破裂的有限元軟件av在线黄色网站，給出拉張破裂的判據，分別選取圓形、直墻拱形、長方形国产黄在线播放免费观看、梯形、半圓形硐室模型進行拉張破裂有限元數值模擬伊人影院在线操在线干影院。

Fractography analysis shows that the global tension failures trimly,because of matrix cracks and tension fracture of fiber and the compression specimens failure in a shear plane about a little angle to the compression loading direction because of delamination and longitudinal fiber shear fracture.

其拉伸斷口較為平齊色播播网免费播播，基體開裂以及纖維拉伸斷裂是主要破壞形式；壓縮破壞呈現剪切斷面日本在线欧美在线，壓縮斷面和壓縮加載方向形成一個較小夾角韩国一级婬乱片高清视频一，層間分層和縱向纖維剪切斷裂是其主要破壞形式粉色毛片网址。

The equilibrium phase particles that induce the sensitivity of the quenching are not the direct reason that causes the alloy fracture; the microzone of PFZ around particles limits crack extension and coordinates deformation, this causes the formation of the ductile tension fracture.

引起淬火敏感性的平衡相粒子欧美性爱网址，不是造成合金斷裂的直接原因，粒子周圍的無析出微區(qū)起到了限制裂紋擴展和協調變形的作用色综合视频网，是合金形成延性拉伸斷口的原因另类综合80P。