铝合金

Friction stir welding is a new solid state welding technique under the actions of mechanical forces and frictional heat. FSW has many advantages on the aspects of mechanical properties and producing efficiency, such as high strength, low defect, no pollution, etc. FSW can be used to join the buttcover plate and lap jointed sheeting of many materials, such as aluminium alloy, magnesium alloy, copper alloy, etc.

搅拌摩擦焊接是一种在机械力和摩擦热作用下的新型固态焊接技术，在接头力学性能和生产效率上具有较高的优越性，具有低缺陷、高强度以及环保等特点，同时，搅拌摩擦焊接技术可以对包括铝合金、镁合金、铜合金等多种材料的板状构件实现对接或搭接，另外，搅拌摩擦焊接可以较容易实现异种材料的连接。

At present,our products include : personal aerial workplatforms; scissor lifters; fixed hydraulic lifers, fixed briage, moved briage and hydraulic handbarrows etc. Furthermore, we can design and manufacture special product according to client requirement.

公司主要产品有：铝合金桅柱式高空作业平台，剪叉式高空作业平台，固定式液压升降平台，固定式液压升降货梯、固定登车桥、移动登车桥、液压升降搬运车等产品，并可按照客户要求定制特殊产品。

As well as the emphasis on environment protection issue, the recyclable light metals like Mg-alloy, Al-alloy and Ti-alloy are becoming the major choice in industrial field.

再加上环保意识的抬头，对於降低污染，增加产品的再使用率方面，轻金属的使用上也逐渐受到注意以及重视。轻量化的材料又以镁合金、铝合金、钛合金为最主要使用材料。

Super-duralium that is widely used for the longerons, frames, stringers of military and civil aeroplanes, is an important aeronautic material.

超硬铝合金是重要的航空结构材料，广泛用于军用飞机和民用飞机的大梁、桁条、隔框等承力部位。

In this study, we evaluated Cr2O3/CrN duplex coating synthesized by PVD cathodic arc deposition processes for potential applications in molding dies Cr2O3/CrN thin films were controlled at the thickness of 3μm Scanning electron microscopy was used to investigate the cross section and thickness.

本研究中，我们以铝压铸模具材料为基材，并利用阴极电弧沈积(Cathodic arc deposition， CAD)法在试片表面沈积厚度3μm之Cr2O3/CrN超硬复层膜，来评估此制程之膜层对高温铝合金之抗熔损性行为。

Xterra Off-Road models feature new 6-spoke 16-inch machine-finished aluminum-alloy wheels with BFGoodrich Rugged Trail T/A tires.

美观的奇骏越野机型采用新的6辐16英寸机完成与BFGoodrich坚固轨迹T铝合金轮毂/阿轮胎。

A wide range of options are available inside and out, including a choice of birch, mahogany, aluminum and carbon fiber interior elements, a range of custom and premium paint colors, four sets of wheels and more audio equipment than you could shake a 300-CD case at.

广泛的选项可用内外，包括选择桦木，红木，铝合金和碳纤维的内部因素，一系列习惯和优质涂料的颜色， 4套轮毂和更多的音频设备比你可能动摇300光盘案件。

The paper is concerned with the variation of corrosion weight loss and ultimate tensile strength of 18Ni (350) maraging steel and 7075 aluminium alloy at 120℃, 90℃, 60℃ and room temperature under UF 6 pressure of 13 kPa.

研究了国产18Ni（350）马氏体时效钢和7075铝合金在不同温度及UF6压力为13kPa条件下，腐蚀失重、抗拉强度随时间变化的规律。

Aluminum alloy ; refiner ; refinement mechanism ; wire rod ; master alloys

铝合金；晶粒细化剂；细化机制；线材；中间合金

ABSTRACT The SiCw/Al composites were fabricated by squeeze casting method, the volume fraction of the whisker is 20%, and the matrice were pure aluminum and 6061Al alloy, respectively.

利用挤压铸造法制备了SiCw／Al复合材料（基体为纯铝及6061铝合金，晶须的体积分数为20％）。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。