| 1. | Elastic - plastic fracture mecha - nics , epfm
弹塑性断裂力学 |
| 2. | Elastic plastic fracture
弹塑性断裂 |
| 3. | Influence of characteristic measures about elastic - plastic fracture for damage at crack tip
裂尖损伤对弹塑性断裂特征量的影响 |
| 4. | Method of elastic - plastic fracture toughness jic testing for metallic materials in liquid helium
液氦中金属材料的弹塑性断裂韧度的jic测试方法 |
| 5. | Ctod ( crack tip opening displacement ) and j - integral are two important parameters in elastic - plastic fracture mechanics
Ctod ( cracktipopeningdisplacement )和j积分是弹塑性断裂力学研究方法中的两个重要参数。 |
| 6. | The main fracture model of ultra fine atc ceramic is intergranular fracture . the analysis on the microstructure of the ultra fine atc ceramic demonstrated that the ceramic is intergranular - transgranular structure
超细a ， c陶瓷主要的断裂方式是沿晶断裂，伴有部分穿品断裂及塑性断裂。 |
| 7. | Under the tensile stress , the fracture mode of za27 alloyed with si or mn is a mix type fracture - the plastic fracture and the brittle fracture are coexistence . cracks are mainly stemmed from brittle phases of si and mn and develop along the grain boundary
适宜的加锰量为0 . 4 - 0 . 8 ；在拉伸应力作用下加入si或mn后的za27 ，合金的断裂均为混合型断裂，既有塑性断裂，也有脆性断裂。 |
| 8. | The electric field strengthens the laminate boundary of 2090 alloy . the laminate strengthening mechanism translates into boundary strengthening and grain inner toughening with more ductility fracture and less intergranular fracture . the ductility property is enhanced with no change of intensity
对铝理合金sem实验发现，电场固溶和时效强化了晶界，和晶内塑性的改善，断裂特征出现由分层沿晶断裂向塑性断裂转变，断面塑性变形特征增加。 |
| 9. | I . a mtil ( iaxial elastic - plastic hardening - sofling constitutive model of concrete is proposed iii order to offer a nonlinear material model of concrete for space restoring force analysis of reinforced concrete members taking into account the softening behavior of concrete . the concrete material model is incorporated the elastic - plastic hardening fracturing constitutive model of concrete with the plastic - fracturing theory of concrete , modified without defining two loading functiomis , and based on five parameter power function failure criterion proposed by guo zheng - hai etc from tsingliua ( jniversity , or three parameter unified strength theory proposed by yu mao - hong from x ian iiaotong university
1 、将砼弹塑性硬化断裂本构模型与塑性断裂理论结合起来，并加以改进，但无需定义两个加载面，以清华大学过镇海建议的五参数幂函数或以西安交通大学俞茂宏建议的，参数统一强度理论作为砼的强度破坏准则，建立了砼多轴弹塑性硬化松驰本构模型，能为钢筋砼构件空间恢复力分析提供砼非线性材料模型，并能反映砼材料的软化段。 |
