A comparison with different material feeding methods of laser direct manufacturing metallic dense-component based on laser cladding technology;
激光熔覆制造致密金属零件送料方式的分析和比较
The causes of cladding layer racking by using laser direct manufacturing metallic dense-component based on laser cladding technology are discussed from many aspects, such as laser cladding process, cladding material, stratum affecting and so on.
利用激光熔覆方法制造致密金属零件时,从熔覆工艺、熔覆材料、基体因素等方面分析裂纹产生的原因,并提出一些解决熔覆层开裂问题的新的设想。
Few methods can be used to determine the crack initiation behavior in solid metal induced embrittlement (SMIE).
将分形维数的概念应用于描述钛合金低熔点金属致脆断口微观特征，并由此出发分析致脆金属原子的输运机制，从而较好地修正了前人在估算致脆金属原子表面自扩散系数方法上的错误。
To meet the requirement of seal under condition of vacuum and low temperature in space environmental simulator,four special techniques of seal,which are soft metal seal,complex seal under effection of tempereture,spherical flange seal,cone flange seal and hollow metal loop seal,are researched on the basis of seal theory.
针对空间环境模拟器内活动热沉供液管道密封的真空、低温要求,从密封技术的机理出发,分析了软金属密封、温度作用下的复合密封、特型金属密封等几种密封技术的优缺点,提出了相应的改进方法。
The results showed that using metal seal and soft seal technology could reduce efficiently areas of ash and air leakage, which made range of temperature between external surface of wall and environment, heat emission density, dust volume and air leakage ratio fall in acceptable range, so that the boiler heat balance efficiency was promoted and the economy was.
采用金属密封、软密封技术,可以有效地减少漏灰、漏风点、使炉墙外表面与环境温差、散热密度、粉尘含量及漏风系数均在允许值范围内,从而提高了锅炉热平衡效率,保证了锅炉运行时的经济性。
Hollow metal O-ring,C-seal,E-seal and some representative flexible metal seal was introduced.
介绍了空心金属O形密封环、C密封(C-Seal)、E密封(E-Seal)等几种典型的弹性金属密封,阐述了几种密封的各自特点,以及与产品相关的材料、生产工艺等内容,探讨了国内同行业与国外在产品与技术上的差距,指出了我国在弹性金属密封产品上的发展方向。
metal sealed paper-insulative capacitor
金属密封纸介电容器
Taper type hanger and straight type hanger are available for tubing head.
油管挂的密封形式有非金属密封(图一)金属密封(图二)种形式。
Valves feature as standard secondary metal-to-metal seal in the event of the primary seat being destroyed by fire.
作为标准配置，阀门具有第二个金属对金属密封，以防万一第一个密封被火毁坏。
Research on the New Fluoroelastomer Coat-Metal Gasket for Seal of Internal-combustion Engine;
内燃机用新型氟橡胶涂层金属密封垫片的研究
Introduce and Application of Frictionless Hermetic Damper
金属密封无摩擦阻尼器介绍及工程应用
metal bellows mechanical seal
金属波纹管机械密封
joint gasket- or packing- type, of laminated metal foil
层压金属箔密封或填密封式接合衬垫
metal O-ring and nonmetallic O-ring seal
金属-非金属双O型环密封
Effect of Hydrogen on the Reliability of Microelectronic Devices
氢对金属封装密封元器件可靠性的影响
Tripe-lips type: the metal shield with long triple rubber lips has considerable large torque and good sealing.
三唇密封形式，金属防尘盖上带有三重细长密封胶唇的严格密封，具有较大的按触密封扭矩。
the metal casing in which a train of gears is sealed.
密封住一系列齿轮的金属外壳。
welded metal-bellows mechanical seal
焊接金属波纹管机械密封
calculation for bolt force of metal flat gasket
金属平垫密封的螺栓力计算
enclosed metalized polystyrene capacitor
密封金属化聚苯乙烯电容器
Some pistons have seating rings of metal or leather.
有些活塞上有金属或皮革的密封环。
The new-type mono-metal floating seal for roller bit
牙轮钻头用新型单金属浮动密封研究
joint gasket- or packing- type, of metal sheeting combined with other material (e.g. asbestos, felt, paperboard)
金属片与其他材料（例如,石棉、毡、纸板）的静密封或填密封式接合衬垫
Seal valve base adopts metal materials, having the features of highter cutting capability and seal performandce.
*密封阀座系用金属材料.具有较高的剪切能力和密封性能.