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- However, higher strain rate tests were performed using a Split Hopkinson Pressure Bar (SHPB). 而在高应变率下，实验则将利用分离式霍普金森杆 (SHPB)来测试。
- Based on thesereasons, both overshoot and undershoot do not appear in the case of high strain rate. 基于这些原因，都超下冲不显示的情况下高应变率。
- On the other hand, in the case of high strain rate, both overshoot and undershoot do not appear. 另一方面，在高应变率，都超下冲不会出现。
- Split Hopkinson Pressure Bar apparatus for materials testing at high strain rates is presented, and the associated techniques are discussed. 本文介绍了一种用于材料高应变率试验的分离式霍布金生压杆装置,并对有关的技术问题进行了讨论。
- The recent development of the high strain rate superplasticity(HSRS), its deformation mechanism and commercial applications are reviewed in the paper. 综述了高应变速率超塑材料及其变形机理和工业应用的最新进展。
- The stress corrosion cracking (SCC) behaviour of 7075 aluminum alloy was studied using slow strain rate test (SSRT) technique. 采用慢应变速率试验(SSRT)研究了7075铝合金的应力腐蚀行为。
- Microstructure evolution of shear bands originated from high strain,high strain rate deformation in electromagnetic pure iron DT4 had been examined. 结果表明:在压痕周围形成离散的剪切带,形变引起了块状非晶合金局部自由体积增加。
- The stress corrosion cracking(SCC)behavior of X70 steel welded joint was investigated in a near-neutral pH solution by fluctuant slow strain rate test(F-SSRT). 研究了波动频率对X70管线钢焊接接头在阴极电位下的近中性介质中慢应变速率应力腐蚀开裂(SCC)行为。
- Furthermore, we discuss the superplasticity of this ceramics during the low, medium and high strain rate at high temperatures and deformation mechanism of the HSRS ceramics. 进一步研究了此复相陶瓷在高温状态下的低、中、高应变率的超塑性，提出了适合陶瓷材料形变的高应变率超塑性机理。
- Tungsten heavy alloys used as kinetic energy penetrator for high strain rate applications in stead of uranium alloy has a wide prospect and has been broadly investigated. 高密度钨合金在军工中取代铀作为动能穿甲弹材料具有广阔的应用前景。
- Using the tension SHB apparatus, We haveperformed tension tests at high strain rate and obtained the stress-strain relationship curvesof hard aluminum LC. 并利用本设备对硬铝合金LC进行了不同高应变率拉伸试验，得到相应的应力应变关系。
- Abstract: The recent development of the high strain rate superplasticity(HSRS), its deformation mechanism and commercial applications are reviewed in the paper. 文摘:综述了高应变速率超塑材料及其变形机理和工业应用的最新进展。
- Meanwhile, the superplasticity of glass-ceramics and nanostructured ceramics were also presented.The high strain rate superplasticity was summarized particularly. 同时介绍了玻璃陶瓷、纳米陶瓷的超塑性，并兼顾了一些结构陶瓷在高应变速率下的超塑性。
- The experiment method includes the slow strain rate test and constant K tension test for the crack propagation.In addition, it is also attested from the microstructure and electrochemical properties. 试验方法包含有定速率拉伸和定荷重量测裂缝成长，另外也从显微组织和电化学等特性加以佐证。
- The plasticity increasing effect induced by high strain rate is related to the startup of twinning deformation and the fracture mechanism changed from intergranular fracture at low strain rate to intragranular dimple at high strain rate. 中高锰钢高应变速率增塑效应,主要与孪生变形大量启动有关,其断裂机制由低应变速率的沿晶断裂转化为高应变速率的晶内韧窝韧性断裂。
- The dynamic compressive properties of Sn-Ag Pb-free solders have been studied by means of a split Hopkinson pressure bar at high strain rates. 利用分离式霍普金森压杆试验技术,在室温下研究了锡-银系无铅焊料在高应变率条件下的动态压缩力学性能。
- The dynamic split tests of marble using both Brazilian disc and flattened Brazilian disc were performed at high strain rate with split Hopkins pressure bar(SHPB) of 100mm diameter. 利用直径100mm的分离式Hopkinson杆对大理岩巴西圆盘和平台巴西圆盘试样进行了动态劈裂实验。
- The split Hopkinson pressure bar with a diameter of 100mm and the Brazilian disc and the flattened Brazilian disc specimens subjected to diametral impact compression were used. Mechanical properties of the marble at high strain rate loading were tested. 利用直径为100mm的分离式Hopkinson压杆径向冲击巴西圆盘和平台巴西圆盘试样,测试了大理岩在高应变率加载下的动态力学性能。
- The dominant process of superplastic deformation is fine grain boundary sliding, and an appropriately small amount of liquid phase can enhance the high strain rate superplasticity of the composite. 超塑性变形的主要机制是细小晶粒的晶界滑动，适当的微量液相有利于该复合材料的高应变速率超塑性。
- Microstructure and fractography for the specimens of X80 pipeline steel chargied with hydrogen in constant load tests and in slow strain rate tests(SSRT)were studied by optical microscopy and SEM. 用光学显微镜和扫描电镜观察了不同充氢电流下恒载荷拉伸试样、慢应变速率拉伸试样的显微组织和断口形貌。
