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1.Thermal oxidation/vacuum diffusion treatment on surface of titan ium alloy
Ti-6Al-4V合金表面的热氧化/真空扩散处理收藏指正
2.V-WSH650 High Vacuum Diffusion Welding Machine Useful for PDC Bits
PDC钻头焊接用V－WSH650型高真空扩散焊机收藏指正
3.The Al-Cu eutectic brazing metal is made to braze pure aluminium substrate in vacuum. The diffusion phenomenon of Cu in pure aluminum bar under different brazing temperature and heat preservation time is investigated by means of SEM and EDS.
制备Al-Cu共晶合金钎料,用SEM和EDS研究不同钎焊温度和保温时间条件下,纯铝棒料基体对接真空钎焊接头Cu元素的扩散行为。收藏指正
4.Using masson pine(Pinus massoniaha) as specimen, experiments based on the research of water diffusion coefficient and floating coefficient have been carried out to reveal the fundamental principle of absorbed water movement in wood drying under vacuum-floating pressure.
摘要该文以马尾松为试验材料，通过对水分扩散系数和浮压系数的试验研究，总结出木材在真空－浮压干燥过程中吸着水迁移的基本规律。收藏指正
5.Full-dellsity Ni/Ni-Al multilayer composites were successfully fabricated by in-situ reaction of Ni and Al foils at 620℃ for 1 hour under 1 MPa pressure, and then diffusion annealing for 4 hours at 750℃, 950℃ and 1150℃ respectively under 5 MPa pressure in vacuum.
在真空条件下,将Ni和Al范加热到620℃，在1MPa压力下原位反应1h，然后再分别加热到750℃、950℃和1150℃、在5MPa的压力进行4h的扩散退火，制造出完全致密的Ni/Ni-Al金属间化合物微层板复合材料.收藏指正
6.Diffusion bonding of Si 3 N 4 to Ni was carried out using non active metal interlayers of FeNi/Cu under high and low vacuum conditions. After bonding,HIP processes were also used for some joints. Joint strength was determined by four-point bending tests.
采用非活性金属中间层FeNi/Cu在高、低真空条件下进行了Si3 N4 陶瓷与Ni的扩散连接 ,然后对部分接头进行了热等静压 (HIP)后处理 ,测定了连接接头的四点弯曲强度 ,用扫描电镜 (SEM)、电子探针 (EPMA)和X射线衍射仪 (XRD)对连接界面区域进行了分析。收藏指正
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