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- Percolation Description for the Early Stage of Void Coalescence during Dynamic Tensile Fracture in Ductile Materials 延性材料动态拉伸断裂早期连通过程的逾渗描述
- dynamic tensile fracture 动态拉伸断裂
- The microstructure and tensile fracture surface of the Q235 steel has been investigated by TEM and SEM. 应用TEM和sem观察钢的微观组织结构及拉伸断口。
- At this point, tensile fracture partially occurred, as evidenced by some apparent necking. 这时，一些明显的颈缩现象表明，发生了局部拉伸断裂。
- The tensile fracture of FSW appears to be dimple and the fracture mechanism is analyzed through dislocation theory. 断口分析表明,搅拌摩擦焊接头断口为明显的韧窝形貌,并用位错理论解释了微观断裂机制。
- The microscopic structure and the tensile fracture surface of annealed samples were investigated by using OM and SEM. 测定了不同退火温度下,钛管抗拉性能,并用SEM观察了拉伸断口形貌。
- Dynamic tensile force from starting of belt conveyor increases loads on all parts, degreases safety factor and affects starting smoothness and steadiness. 摘要带式输送机启动时产生的动张力将使各部件的负荷显著增大，安全系数降低，从而影响启动时的平稳性。
- Meanwhile,a useful value for following study on tensile fracture mechanism of UHMWPE/LDPE is given. 对后续研究UHMWPE/LDPE复合材料声发射特性和拉伸破坏机理具有参考价值。
- With finite element analysis,dynamic tensile strength for marble was obtained and typical failure modes of the Brazilian disc and the flattened Brazilian disc were analyzed. 结合有限元分析,得到了大理岩的动态劈裂破坏的拉伸强度。 分析了巴西圆盘和平台巴西圆盘的典型破坏方式。
- And then Al_2O_3 /Cu composite were prepared through hot-extruded, the microstructure, tensile fracture and interface were observed and analyzed. 然后采用热挤压法制取了Al_2O_3/Cu复合材料,对其显微组织和拉伸断口及界面进行观察与分析。
- An experimental procedure and accompanying method for analyzing recorded data for deriving dynamic tensile strength and elastic modulus of brittle material is presented. 提出了获取脆性材料动态拉伸强度及弹性模量的实验步骤及相关记录数据的分析方法。
- The problem of tensile fracture convexity could be solved by optimizing heat treatment technology and controlling grade of inclusion in raw materials. 通过调整热处理工艺与控制材料中夹杂物级别可以解决断口不平问题。
- The experiments showed that the tensile fracture strain of such PMMA specimens was nearly ten times of that un-precompressed. 实验结果表明,与未进行预压缩处理的试验片相比,预压缩处理后的试验片的拉伸断裂应变约为前者的10倍。
- In this paper, the tensile fracture mechanics model of aramid fiber is discussed, while the mechanical properties of the fiber is simulated based on a nonlinear model. 摘要探讨了芳纶的抗拉伸断裂宏观力学模型，并对纤维的力学性能进行了模拟。
- In-situ observations of fracture processes in scanning electron microscope were employed to study the tensile fracture behavior of the NEPE solid propellant. 采用原位拉伸扫描电镜技术对NEPE推进剂的单轴拉伸破坏过程进行了研究。
- A survey of dynamic tensile testing of materials using the hollow Hopkinson bar instead of the solid Hopkinson bar is presented, it is substantiated that the hollow Hopkinson bar has more advantages than the solid Hopkinson bar. 本文给出用Hopkinson空心杆代替实心杆进行材料动态拉伸性能测试实验研究。 实践证明,Hopkinson空心杆比实心杆有明显优点,我们利用了空心杆测试材料动态拉伸性能,使测试结果较实心杆有明显改进。
- Tensile fracture of the SiCw/Al Li composite is in the transgranular dimple type. The fracture mode does not change from transgranular to intergranular with aging time, which always exists in Al Li alloys. SiCw/Al－Li复合材料的拉伸断口呈穿晶韧窝状，不存在通常Al－Li合金中因时效引起的断口形貌由穿晶型向沿晶型过渡的现象
- The observation and analysis for the tensile fracture of hot rolled plate by SEM and EDS is a valid method to discover the influence of the inclusions in the plate on the elongation. 应用扫描电子显微镜及能谱仪对热轧中板拉伸断口进行形貌观察和夹杂物类型分析,以探讨热轧中板中夹杂物对其伸长率的影响。
- SiC particles and dimple are present in the fracture of the tensile specimen of SiC P/MB 2 composites,there is interfacial debonding between the SiC particles and the matrix in the tensile fracture at the elevated temperature. 复合材料的拉伸试样断口存在SiC颗粒和韧窝，高温拉伸试样断口存在界面脱粘。
- The microstructure and the tensile fracture behavior of Ti 3Al Nb (Ti 24Al 14Nb 3V 0.5Mo) (mole percent) alloy under different heat treatment conditions were studied by TEM and by means of S 570 SEM with tensile apparatus. 用透射电镜及备有拉伸装置的S?570扫描电镜，研究了Ti3Al?Nb（Ti?24Al?14Nb?3V?0.;5Mo）（摩尔百分数）合金在不同热处理制度下的组织形貌以及试样的拉伸断裂过程。
