拉伸试验

Al晶界的第一性原理拉伸试验

First-principles computational tensile test on an Al grain boundary

介绍了一种用于MEMS薄膜材料力学特性测试的单轴拉伸试验方法。

A uniaxial tensile test method for measuring mechanical properties of MEMS thin film materials is presented .

通过DSC和拉伸试验，从宏观及键能角度分析了两种骨修复材料的力学性能；

The DSC and tension strength of both bone matrices were compared .

自制全过程拉伸试验引伸计及σ（0.2）、Uq的测试

Whole course & strain gauge made by oneself and measurement of σ _ ( 0.2 )、 u_q

TA2薄板的双向拉伸试验研究

Experimental study on biaxial tension of ta_2 thin sheets

采用X射线衍射法测定应力消除前后铝合金试样的残余应力，利用电导率涡流检测技术与拉伸试验相结合的方法来评价铝合金深冷处理后的抗应力腐蚀性与机械性能等质量指标。

Residual stresses were measured by X-ray diffraction , and eddy current electrical conductivity testing was applied to control the variation of mechanical properties .

根据实测E级钢材料的拉伸试验，和弯曲疲劳实验得到的数据，以及大秦线载荷谱对车钩和钩尾框进行疲劳寿命计算。

Use the experiment data of grade E steel and the Da-Qin line load spectrum , the fatigue life of coupler and yoke is computed .

A3钢平板试样拉伸试验的声发射监测

The acoustic emission monitoring during the tensile testing of A3 steel plate samples

测试了材料的室温与高温性能；通过SEM动态原位拉伸试验研究了复合材料的断裂过程；

The room temperature and high temperature mechanical properties of the composites were studied , and the fracture behavior of the composite was investigated by in-situ SEM observation .

TEM拉伸试验中，使拉力轴平行膜面{111}或{110}，按应力轴与<110>或<111>方向成不同夹角进行拉伸。

In TEM tension experiments , the specimen are tensioned at different angles between loading axe and < 110 > ( < 111 > ) direction .

通过拉伸试验和PEA法对MgO/LDPE复合材料力学性能、空间电荷分布进行了分析。

The mechanical properties and space charge distribution of MgO / LDPE composites were analyzed by the tensile test and PEA .

基于密度泛函理论和局域密度近似的第一性原理方法，进行了Al晶界的第一性原理拉伸试验。

Using a first-principles total energy method based on density functional theory within local density approximation , we have performed a first-principles computational tensile test ( FPCTT ) on an Al grain boundary .

首先，对PVDF涂层建筑膜材进行拉伸试验，测定其在常温和低温环境下膜的拉伸力学性能参数。

Firstly , tensile experiment of PVDF-coated architecture membrane was conducted to obtain its tensile mechanical parameter under normal and low temperature environment .

利用Instron万能拉伸试验机测试所得试件的拉伸负荷、0.2%屈服负荷，用扫描电镜分析断裂口性状。

The tensile strength and 0.2 % yield strength were measured on Instron universal testing machine .

采用偏光显微镜（PLM）、差示扫描量热仪（DSC）、毛细管流变仪和拉伸试验机对透明聚丙烯（PP）的结晶形态、热学、流变性、力学性能进行了研究。

In this paper , the crystalline morphology , thermology , rheology and mechanical properties of clarified PP are investigated by PLM , DSC , Rheometer and stretch tester .

通过拉伸试验，研究了GFRP锚杆基本力学指标，画出了应力–应变关系曲线，讨论了其基本破坏形态。

The tensile test of the GFRP rebar is carried out ; and the stress-strain curve and the failure modes of GFRP rebar are discussed .

论文首先介绍了PDL材料拉伸试验机的工作原理、测试及数据处理系统；

In the beginning , the working principle , testing and data processing system of PDL micro-control material test machine is introduced ;

采用OM、SEM、EDS等手段对接头的显微组织进行观察，通过拉伸试验和显微硬度测试对接头力学性能进行评定，并对断口进行分析。

OM , SEM and EDS were used to observe the microstructure of the joints . Mechanical properties of the joints were evaluated by tensile test and hardness test .

本文对SiC纤维束进行了不同应变率（静态10s~（-1），动态200～1200s~（-1））下的拉伸试验，获得了不同应变率下的应力-应变曲线。

In this paper tensile experiments of SiC fiber bundle under quasi-static and dynamic loading ( static 10 s-1 , dynamic : 200-1 200 s-1 ) were carried out , and the stress-stain curves were obtained .

采用光学显微分析、X射线衍射分析及拉伸试验研究了合金成分对Co-Ni磁性形状记忆合金的显微组织和力学行为的影响。

Optical microscope 、 XRD analysis and tensile test were performed to study the influence of Ni element on the microstructure and mechanical behaviors of the Magneto-shape-memory alloys Co-Ni .

LC4高强铝合金的慢应变速率拉伸试验

Slow strain rate tension test of high-strength aluminum alloy 7075

用等离子原子发射光谱仪（ICPAES）和粘接拉伸试验分别测定涂层在模拟体液（SBF）中的体外行为和浸渍后涂层间的结合强度。

In vitro behavior in a simulated body fluid ( SBF ) and adhesive performance of the as-prepared composite coating were investigated by ICP-AES and tensile test , respectively .

通过常温拉伸试验和TEM观察，研究了时效处理工艺对新型Al-Cu-Li合金微观组织和力学性能的影响。

By means of room-temperature tensile test and TEM , effects of aging process on microstructures and mechanical properties of a new-type Al-Cu-Li alloy were investigated .

通过冲击试验、拉伸试验、弯曲试验和扫描电镜（SEM）观察等方法，研究了星形聚醚环氧树脂对E-44环氧树脂的改性作用；

The modification effects on diglycidyl ether of bisphenol A ( DGEBA , epoxy resin E-44 ) were studied by impact test , tensile test , bend test and SEM .

用同步预聚合法合成了聚丙烯酸丁酯/蓖麻油聚氨酯半（SEN），通过拉伸试验、TBA和SEM等手段对其性能和形态进行了表征。

Poly ( n-Butyl Acrylate ) / Polyurethane based on castor oil semi-SEN ( PnBA / COPU ) has been synthesized by simultaneous prepolymerization and characterized by TBA , SEM and tensile test .

无论是焊接热模拟试件还是焊接接头硬度测试均表明HAZ不存在软化问题，接头拉伸试验断在远离热影响区的母材上。

Hardness measurement on welding thermal simulated specimens and cross weld specimens showed that no softening occurred in the HAZ . All the cross weld tensile specimens ruptured in the base metal .

使用金相显微镜和扫描电镜观察CLAM钢焊接接头微观组织；使用维氏硬度计、拉伸试验机和冲击试验仪对焊接接头进行硬度及力学性能测试。

Microstructure and carbide distribution of weld joint were observed by metalloscope and SEM . Hardness and mechanical properties were tested respectively in hardness test , tensile test and impact test experiments .

在宽板拉伸试验中，首次研制和开发了由EVA板、自动环境温度控制系统、自动液氮灌注系统和试样表面温度传感器相结合的低温环境箱。

In the wide plate tensile test , the low-temperature environment box is researched and development firstly which combination of the EVA board , automatic temperature control system , automatic liquid nitrogen irrigation system and temperature measure sensor of the sample surface .

采用OM、TEM、SEM、硬度测量、超塑拉伸试验等手段研究了冷轧板和冷旋管的退火行为与再结晶组织，以及在480~540℃，8×10-4s-1条件下的超塑性变形与断裂行为。

Annealing process , recrystallized microstructures and superplastic deforming and fracturing behaviors of the cold-rolled sheet and cold-spun pipe were studied by means of OM , TEM , SEM , hardness measure and superplastic tensile test .

采用逆向方法，将单向拉伸试验与有限元数值模拟相结合来确定GTN模型损伤参数。

Combining the experimental tensile test and finite element simulation , the inverse method is carried out to identify the GTN damage parameters .