vickers相关论文
本文以某压水堆核电机组汽轮机调节保护系统硬件结构、网络构架介绍作为基础,进一步分析了该机组在冲转过挂闸后速度提升时,通过对......
作为脆隆材料的 Na-Ca-Si 玻璃,其纤维的应力应变曲线明显地偏离完全弹性,用Vickeis 金刚石尖压痕研究 Na-Ca-Si 玻璃时,也发现许......
By means of induction melting technology,Ti-6Al-4V alloy staging casting was made with the same rotation velocity and ce......
The present study focuses on the relationship of hardness with grain size for commercially pure titanium (CpTi) and ultr......
Cu_(90)Zr_(10-x)Al_x(x=1, 3, 5, 7, 9; at.%) alloy rods were synthesized based on rapid solidification method. The struct......
Xitieshanite is a new ferric sulfate mineral discovered in the oxidation zone of a Pb-Zndeposit at Xitieshan,Qinghai Pr......
用二极管辉光放电法(diode glow dis-charge)制得涂层,硬度大于克氏或维氏(Kn-oop or Vickers)显微硬度1800克氏/平方毫米(KP/mm~......
目前,以薄钢板、合成板、合成树脂、非铁金属、硬纸等为加工对象的MVC式冲裁模具已投入了制造、销售,应用的工业领域包括汽车、电......
LECO 公司开发了一种全自动显微压痕硬度试验系统,操作者一旦编好程序,启动仪器,就可以从容地去做别的事情,甚至能去进餐或参加会......
在1982年10月的一期Hydraulic & Air Engineering里我们曾告知读者说Sperry公司已经表示他们的液压分部不再出售而将留在集团里。......
The “Rhetoric in the Twenty-First Century:An Interactive Symposium”(3~7 July 2012) hosted a group of international sch......
“当水很混的时候,你看不到石头,河里的石头也许还在那儿。” 这是美国高乐公司亚洲区行政总裁韦启贤(Stephen Vickers)近日在北......
据英口维克斯(Vickers)公司介绍,为解决手术中连续快速输血的血液加温问题研制了 Trecnic H150型血液加热器。这种加热器是采用干......
对微晶玻璃的Vickers压痕试验进行声发射检测,声发射信号规律与Lawn提出的压痕中位裂纹运动模式相符合.建立声发射振铃计数与压痕......
四川泸州长江液压件厂引进美国Vickers公司高压齿轮泵制造技术,国产化率达100%的G_5型齿轮泵最近通过了该公司产品质量合格检验,......
本工作对几种陶瓷材料Ｖｉｃｋｅｒｓ 硬度的压痕尺寸效应进行了研究，证实了经典的Ｍｅｙｅｒ 方程可以很好地描述实验数据，但这一方程无助于对压痕尺寸效应物......
Five kinds of WSi2/MoSi2 composites were successfully prepared by mechanical alloying, IP and high tempera-ture sinterin......
The effect of extrusion on grain refinement has been studied in the AZ91 cast ingots. It is found that grain sizesmalle......
Al2O3/TiAl composites were fabricated by PAXD (pressure-assisted exothermic dispersion) method. The effects of Nb2O5 con......
Al2O3 matrix oxide/oxide composites containing rod-like Ba-β-Al2O3 and equiaxed ZrO2 particles have been successfully s......
Effects of Mineral Admixtures and Superplasticizers on Micro Hardness of Aggregate-Paste Interface i
This paper presents quantitatively the results of an experimental investigation on influence of mineral admixtures and s......
The mechanical properties of magnesium matrix composties can be further improved by aging treatment. To study the aging ......
Microstructures and Mechanical Properties of Al/Mg Alloy Multilayered Composites Produced by Accumul
Al/Mg alloy multilayered composites were produced successfully at the lower temperature(280 C) by accumulative roll bond......
The nanohardness is from 1.44 to 2.61 GPa,the Vickers hardness is from 127 to 252 Vickers,and elastic modulus is from 52......
A new kind of biomedical Ti-45S5 Bioglass-Ag nanocomposites and their scaffolds with antibacterial function was develope......
Fabrication and Properties of the W-40wt.%Cu Composite Material Prepared through Hot-press Sintering
The W-Cu composites are widely used as weld-ing electrodes,electronic packaging materials,electric discharge materials a......
80年6月23～27日英国在Aldershot举办了第三届英年装备展览会。展览会上展出了一种重45吨的新型主战坦克,Vickers公司命名为“勇士......
据1991年月12日的简氏防卫周刊(JANE? S DEFENCE WEEKLY)报导,为了提高战场生存力,在沙特阿拉伯使用的英军挑战者主战坦克及机械......
Hardness is an important solid state property(1)which is commonly stu-died to determine the mechanical strength and the......
1981年9月,我作为一机部液压技术代表团的成员之一赴日参观了日本第十届油空压展览会,会后考察了日本一部分液压件生产厂。这次赴......
OMAHA工厂是SPERRY-VICKERS公司下设的专门生产叶片泵及叶片马达的工厂,VQ及282系列叶片泵是该公司典型的重点产品之一。 VQ叶片......
EHST 系列阀能无级地精确调节一定范围内的先导压力(不论是安全阀或减压阀)。但Vickers 公司为减少外围元件在阀体上集成了电子回......
长江液压件厂引进技术产品G5、GPC4高压齿轮泵于十月十六日在四川泸州通过部级技术鉴定。 G5、GPC4是该厂引进美国Vickers公司高......
长江液压件厂引进美国Vickers公司高压齿轮泵制造技术制造的G30系列高压齿轮泵投放市场以来,多次获得各级奖励。G30系列齿轮泵的......
电液伺服阀是电液控制系统的关键部件,用于电液伺服系统的位置、速度、加速度和力的控制。它具有结构紧凑,工作性能稳定可靠、动......
Composite powders of nanocrystalline WC-10Co (15wt%),Y2O3 (8mol%) stabilized nanocrystalline ZrO2 (30wt%),industrial cob......
Vickers 泵试验台架是目前国内用来评定液压油抗磨性能的主要设备.试验结果以定子和叶片的失重值作为评定指标.Vickers泵台架自引......
最近著名的Vickers液压件公司在市场上提供一种新的斜盘轴向柱塞泵.这种所谓XE型系列的新型泵有四种规格,即57、73、98和131cm~3/......
最近著名的Vickers液压件公司在市场上提供一种新的斜盘轴向柱塞泵.这种所谓XE型系列的新型泵有四种规格,即57、73、98和131cm~3/......
只要它遇到至少20％的系统体积每分，回油管是主系统污染控制过滤器的一个很好的位置。在回油管流量小于20％最小值的场合（当泵处于补偿时......
Nowadays, in the auto industry, the need for improvement of fuel efficiency is getting increased more and more in terms ......
Effect of annealing on the microstructures and Vickers hardness at room temperature of intermetallic
The microstructures and Vickers hardness at room temperature of arc-melting processed intermetallics ofMo_5Si_3-MoSi_2 ......
The influence of welding parameters of butt joints, made by three processes (MMA, MAG and T.I.M.E), on their geometric c......
Effect of Heat Treatment on Microstructure and Microhardness of Directionally Solidified NiAl-Cr(Mo)
The effect of heat treatment on microstmcture and microhardness of directionally solidified (DS)NiAl-Cr(Mo)-Hf alloy is ......
