The mechanical behavior of7A04 alloy in the semisolid state has been studied through isothermal compression tests. 通过半固态等温压缩实验,研究了7A04合金在半固态压缩过程中的力学行为。
Adiabatic meaning there's no heat involved, and we're going to see how that differs from the isothermal expansion and compression. 绝热意味着没有热量的传递,我们将看到它,与等温过程的区别。
A new ICE working cycle with a partial isothermal compression stroke is advanced. 本文提出了一种新的内燃机理想循环&具有部分等温压缩冲程的内燃机工作过程。
The stress-strain date and curve were obtained from the isothermal compression experiment of7A04 Al alloy. 根据等温压缩实验得出7A04铝合金应力-应变数据,拟合出材料温成形应力-应变曲线。
The isothermal compression behaviors of MgCu-Y7Nd bulk amorphous alloy nearby the glass transition temperature ( Tg) and at temperature in the supercooled liquid region are observed. 研究了MgCuY7Nd大块非晶合金在玻璃转化温度Tg附近及深过冷液相区的等温压缩变形行为。
Theoretical isothermal compression curve for solid helium 固态氦的理论等温压缩线
Prepared by high-efficient melt-treatment, the microstructure of high-property aluminium sheet used for easy-open cans during hot-deformation was investigated and analyzed by isothermal compression test at elevated temperatures using dynamic hot simulation testing machine and by means of OM and TEM. 用动态热模拟试验技术,对经高效熔体综合处理的高成形性易拉罐用铝材进行高温等温压缩变形试验,并用OM、TEM观察分析了该材料在热变形过程中微观组织特征。
Hot Deformation Behaviours of Ti-1100/ 0.1Y Alloy Through Isothermal Hot Compression Tests Ti-1100/0.1Y高温钛合金等温热压缩变形行为
The rheological behavior of the Al_2O_3/ Al composites by isothermal compression in pseudo-semi-solid state was studied. 采用等温压缩实验,对Al2O3/Al复合材料在伪半固态下流变行为进行了研究。
In this paper, from the shock adiabatics and the Gruneisen equation of state, an isentropic, which corresponds to shock adiabatics, is delivered, and the formulas of calculating sound velocity along isentropic and isothermal compression, as well as the Hugoniot curves, are presented. 从冲击绝热线和Gruneisen物态方程出发,导出了与冲击绝热线相容的等熵线,进而给出了沿等熵压缩线和等温压缩线以及冲击绝热线的声速的计算公式。
Based on the theory of atomic cluster and taking account of the screening effects induced by nearest neighbour and next nearest neighbour atoms, we have calculated the many body repulsive potential and isothermal compression curve for solid helium with hcp lattice configuration. 基于团簇理论并计及邻近和次邻近原子对中心原子的屏蔽作用,我们用完全量子力学方法计算了hcp结构固态氦的原子多体作用排斥势和等温压缩线。
The optimum isothermal compression temperature is between 980 ℃ and 900 ℃, the strain rate may be selected within the constant range according to the need of forging forming, structure properties and productivity. Under good forming condition of forgings, strain rate may be appropriately raised. 较佳等温压缩温度为900℃~980℃,应变速率可根据锻件成形、组织性能及生产率的需要在一定范围内选取,宜采用适当大的应变速率。
Ultrahigh carbon steel ( UHCS-3.0Si) was tested by isothermal compression physical simulation tests as spray-formed state, and true stress vs. true strain curves were obtained. 对喷射态超高碳钢UHCS-3.0Si进行了等温压缩物理模拟试验,测定了真应力-真应变曲线。
This paper approximates the drop size and law of burning of the liquid propellant using the classical interior ballistic relationships, the state equation of the liquid phase using the isothermal compression relationship and the jet process using the non-stationary Bernoulli equation. 本文用经验关系给出雾化后的液滴直径及其燃烧规律,根据绝热压缩建立液相的状态方程,喷射过程采用非稳态的伯努里方程。
Isothermal compression behaviour of polymer solids up to 3 GPa 3GPa下高聚物固体的等温压缩行为
Isothermal Superplastic compression test has been made for superplasticity Zn 22% Al alloy. 对Zn-22%Al超塑性合金进行了等温超塑压缩试验。
The thermal expansion coefficient(α) and isothermal compression coefficient(β) of CPP in various temperature and pressure were reckoned. The α and β with the results obtained from Tait equation were compared, employing the same experimental pVT data. 通过公式法计算出热膨胀系数α和等温压缩系数β与温度和压力的依赖关系,并与由Tait方程计算出的α和β结果进行了比较。
The coarse lamellae of as casting TiAl alloy are broken by double isothermal compression ( reduction in height above 70%) and refined after heat treatment, resulting in fine and homogeneous equiaxed γ grains. 通过两次等温变形(变形量70%以上)加中间热处理,破碎了粗大的铸态层片晶团,热处理后得到均匀的等轴γ细晶。
Research on the ECAP Grain Refining Technology, Superplasticity and Isothermal Compression Technological Parameters of 1933 Alloy 1933合金的ECAP细晶化工艺、超塑性及等温压缩工艺参数研究
Measurements of Thermal Expansion coefficient Isothermal Compression Coefficient and Thermal Pressure Coefficient of Polystyrene with PVT Analyzer 利用PVT分析仪测定PS的热膨胀系数、等温压缩系数和热压系数
The main research contents are as following: ( 1) We successfully simulated the bcc to hcp structural transition in single crystal iron under isothermal compression along the [ 001] direction. 研究内容主要包括:(1)成功模拟了单晶铁在一维应变条件下从bcc至hcp的结构相变。