The hardening exponent,value of plastic strain ratio,yield strength,tensile strength,even percentage elongation and other mechanical performances have been studied.
对400MPa超级钢板材进行了拉伸试验、冷弯试验和金相组织检验,获得了超级钢板的硬化指数、塑性应变比、屈服强度、极限强度等力学性能,并分析了400MPa超级钢板的冲压成形性能,了解这些性能对超级钢冲压件在汽车行业里的应用与生产具有一定的指导作用。
It is simple and effective to calculate the hardening exponent(n-value) for steel sheet using the testprogram composed with Testware-SX software module and data processing program composed with macro-instruction.
用Testware—SX软件模块编制试验程序,宏命令编制数据处理程序计算薄板硬化指数n值,该方法简单有效。
The mechanical performances such as hardening index,value of plastic strain ratio,yield stre.
研究了超级钢板的硬化指数、塑性应变比、屈服强度、极限强度、均匀延伸率等机械性能,并分析了超级钢板的冲压成形性能,超级刚具有较好的胀形性能、拉深性能、弯曲性能,抗起皱性能等冲压性能,可以广泛地应用于汽车冲压零件生产中。
In this thesis, by using micro- and nano- indentation methods and uniaxial compression test, the plastic deformation behavior of several BMG systems was investigated, focusing on the physical nature of the pressure sensitivity index and the strain hardening index of the BMGs.
重点研究了非晶合金的压力敏感性(pressure sensitivity),探讨了其压力敏感因子和硬化指数的物理本质及其影响因素;分析了具有不同压力敏感因子的非晶合金的剪切带形貌与演变规律;研究了玻璃转变温度,结构弛豫对非晶变形的影响;初步研究了非晶的挤压变形行为。
The nominal yield ratio(σ_s/σ_b),true stress yield ratio(S_s/S_b) and strain-hardening exponent(n) of five kinds of steel were derived from tensile experiments.
试验测算出X80、X65、X60、X46、Q235等五种材料的名义应力屈强比sσ/bσ和真实应力屈强比Ss/Sb及硬化指数n。
Impact of n value upon the formability of cold-rolled sheets with two different materials;
硬化指数n对两种不同原料冷轧板成形性能的影响
Relationship between the ambulatory arterial stiffness index and intima-media thickness of carotid arteries in the olders with hypertension
老年高血压患者动态动脉硬化指数与颈动脉粥样硬化的关系
Comparison on the application value of the atherogenic index of plasma with other arteriosclerosis indexes in type 2 diabetes mellitus patients
2型糖尿病患者血浆致动脉硬化指数与其他几种动脉硬化指数的应用价值比较
Strain Hardening Exponent Calculating Model for Transformation Induced Plasticity Steels
相变诱发塑性钢的应变硬化指数计算模型
Changes of ambulatory arterial stiffness index in patients with pheochromocytoma and primary hypertension
动态动脉硬化指数在嗜铬细胞瘤与原发性高血压患者中的变化
Ambulatory arterial stiffness index:correlation with aortic augmentation index and simplification of methodology
动态动脉硬化指数与压力反射波增强指数的相关性及方法学简化研究
Metallic sheets--Tensile strain hardening exponents(n-values) test method
GB/T5028-1985金属薄板拉伸应变硬化指数(斜值)试验方法
Arterial Stiffness Index and Microalbuminuria in Patients with Type 2 Diabetes;
糖尿病患者尿微量白蛋白与动脉硬化指数之间的关系研究
Relationship between day-night rhythm of blood pressure and ambulatory arterial stiffness index
老年高血压病患者血压昼夜节律与动态的动脉硬化指数的关系
Ankle-brachial Index as a Predictor of the Extent of Coronary Atherosclerosis
踝-臂血压指数与冠状动脉硬化程度的关系
The correlation between Ankle-brachial Index and elderly men with diabetes Arteriosclerosis
踝臂指数与老年男性糖尿病动脉硬化的相关性
The association of ankle-brachial index with coronary atherosclerosis
踝臂指数与冠状动脉粥样硬化的相关性
Research on Relationship between Syndrome Discrimination of Hepatic Cirrhosis and Assays, PGA Index
肝硬化辨证分型与辅助性检查指标及PGA指数的相关性研究
Color Doppler Ultrasonographic Analysis on the Impendence Indices of Hepatic and Splenic Artery in Liver Cirrhosis Patients
彩色多普勒超声对肝硬化患者肝脾动脉阻抗指数变化的分析
The change and significance of coagulative function index and platelet parameters in liver cirrhosis patients.
凝血功能指标和血小板参数在肝硬化患者中的变化及意义
Research on strength coefficient in power hardening model of sheet metal
金属板料幂指型硬化模型应变强化系数K值研究
Association of Ankle-Brachial Index, Carotid Artery Intima-Media Thickness and Plaque Score and Ocular Fundus Arteriosclerosis with Coronary Heart Disease;
踝臂指数、颈动脉内—中膜厚度、眼底动脉硬化对冠状动脉粥样硬化程度的预测价值
The hardness of milk fat decreases with an increase, in. the proportion of oleic acid: the iodine value (IV) gives an index of this.
脂肪硬度随油酸含量增加而减少：碘值（IV）可以给出这一变化的指数。
The Value of Detecting Oligoclonal Bands, IgG Synthesis Rate and IgG Index for Diagnosis of Multiple Sclerosis;
寡克隆区带、24小时鞘内合成率及IgG指数对多发性硬化的诊断价值