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- The strain field ahead of a stationary crack tip with plane stress deformation in ductile metal was measured with SEM, by micro grid method and digital image processing. 用顯微網(wǎng)格數字圖系處理方法，測量了韌性材料平面應力條件下互型單邊裂紋尖端附近的應變場(chǎng)。
- The asymptotic analysis of he stress and strain field at a propagating crack tip is given by means of an elastic-viscoplastic model. 摘要 本文采用一種彈性/粘塑性模型,對擴展裂紋尖端應力應變場(chǎng)進(jìn)行了漸近分析。文中假定,彈性階段的粘性效應可以略去,僅在塑性應變中粘性才起作用。
- The strain rate at the crack tip for the maximum dezincification coefficient was approximately 4 times as high as initially applied strain rate. 在穩態(tài)擴展階段,裂紋尖端導致最大脫鋅系數的應變速率估計約為初始應變速率的4倍左右。
- In this development only a single crack tip has been considered. 在這個(gè)研究中只是考慮了單個(gè)裂紋尖端。
- Plane strain fracture toughness (KIc).The critical value of the stress intensity factor (i.e., at which crack propagation occurs) for the condition of plane strain. 平面應變斷裂韌性(KIc)：平面應變條件下應力強度因子的臨界值（即達到該值時(shí)裂紋發(fā)生擴展）。
- They also noted "scattering zone" was very near to the crack tip. 它們還表明：“離散區”非常接近裂紋頂端。
- Note that these contours do not encompass the crack tip. 注意這些圍道，都不包含裂信尖端。
- Perianth cylinder form, 4 tine crack tip, petaline shape. 花被圓筒形,先端四齒裂,花瓣狀。
- The two cases of plane stress and plane strain will be discussed separately. 平面應力和平面應變這兩種情況將分開(kāi)討論。
- In the tie girder boxes crack growth was detected near the crack tip. 在系桿箱型梁中裂紋尖端附近檢測到裂紋的擴展。
- So such, both shape consistent with boundary element geometrical shape, and simulate crack tip close-by variety law of stress and strain with higher precision, and enhancing calculative efficiency. 如此，既能與邊界單元幾何形狀基本擬合，又能高精度地模擬裂紋尖端附近位移和應力變化規律，并提高計算效率。
- Accordingly, Stress Triaxiality, Strain Energy Density Factor and Maximum Circle Tensile Stress near the crack tip and their variation due to the circle angle variation can be derived. 根據內部裂尖附近的位移分量和應力分量可以得到裂尖的應力三維度,應變能密度因子以及裂尖附近的最大周向拉應力隨著(zhù)圓周角的變化而變化的情況。
- There are two plane problems in the theory of elasticity, the problems of plane strain and of plane stress. 彈性理論中有兩類(lèi)平面問(wèn)題，即平面應變和平面應力問(wèn)題。
- A notched specimen is designed to simulate the corrosion reaction at crack tip. 為此,文中設計了一種新穎的缺口試樣,再現裂紋尖端的真實(shí)狀態(tài)。
- In the case of general anisotropy it is coupled with the ordinary plane strain problem. 在一般各向異性情況下，它與普通手面應變問(wèn)題綜合在一起了。
- This thesis provides a new method to measure the opening loading of fatigue crack That using ultrasonic testing detects echo of crack tip is similar result to general method for use strain gage. 本文也提供了另一量測開(kāi)口荷重的方法，利用超音波檢測技術(shù)，將它應用于疲勞裂縫開(kāi)口荷重的量測，從量測的結果可發(fā)現荷重與裂縫尖端的回波變化與一般量測開(kāi)口荷重的方法有相似的結果。
- Casing, cement and formation plane strain mechanical model are established, considering casing with initial ovality. 針對套管的不同初始橢圓度建立了套管、水泥環(huán)、地層平面應變力學(xué)模型。
- The extrusion of compressible material in plane strain is analysed in use of UBET and compared to fully dense material. 應用上限元方法分析了可壓縮材料平面應變擠壓?jiǎn)?wèn)題,并與致密材料進(jìn)行了比較。
- The relation of ??to the average value of ??may be assumed to lie between the aforementioned relations for uniform plane stress and uniform plane strain. 而?潞往悶驕?值的關(guān)系式可以認為處于上述的均勻平面應力和均勻平面應變的兩個(gè)關(guān)系式之間。
- The ground area was also checked with dye-penetrant to ensure that no crack tip remained. 打磨區也用著(zhù)色滲透劑進(jìn)行了檢查，以便確保無(wú)裂紋尖端留存。
