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metal-matrix
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  金属基
     Microstructure of Ti-TiC Metal-Matrix Composite
     Ti/TiC金属基复合材料的显微组织
短句来源
     Review on In-situ Particle-Reinforced Metal-Matrix Composites(MMCs)
     金属基复合材料(MMCs)的原位制备
短句来源
     Study on the Method to Predict Dynamic Mechanical Property of Particle Reinforced Metal-Matrix Composite
     颗粒增强金属基复合材料动态力学性能预测方法研究
短句来源
     Creep and Relaxation for Metal-Matrix Composites
     金属基复合材料的蠕变与松弛
短句来源
     ADVANCES IN METAL-MATRIX MATERIAL FOR ELECTRONIC PACKAGING
     金属基电子封装材料进展
短句来源
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  金属基体
     In order to improve the compatibility between particulate and metal matrix in particulate-reinforced metal-matrix composites,the surface metalization of nano-Al_2O_3 is achieved by electroless plating. With the aid of BET,XRD,SEM,EDS and other advanced analysis methods,the electroless copper plating process which is used for preparation of Cu-Al_2O_3 composite powders with controllable Cu content is studied systematically by single factor and orthogonal test method.
     为了改善颗粒增强金属基复合材料中颗粒与金属基体的相容性,采用化学镀的方法实现了纳米A l2O3粉体的表面金属化,并采用单因素与正交试验相结合的试验方法,同时借助BET、XRD、SEM、EDS等先进分析手段,系统研究了铜含量可控的纳米A l2O3表面化学镀铜的工艺。
短句来源
     TRIAL-RESEARCH OF ELECTROTHERMAL FILM ON METAL-MATRIX
     金属基体上制作电热薄膜的试验研究
短句来源
     Through electroless plating carbon nanotubes were coated with a continuous layer of silver, which will increase interfacial strength between carbon nanotubes and metal-matrix.
     通过化学镀可在碳纳米管表面镀上一层连续的银镀层,以增强碳纳米管与金属基体的界面结合力。
短句来源
     In this paper,effects of the content of metal-matrix,the size of ceramic particles and lubricant content on friction and wear properties of cermets were investigated, The results have shown that total metal content should not be less then 75%,and when content of SiO2 particles is 6% and size of the particles is-300 mesh respectively, the cermet has optimal friction and wear properties at 100~350℃
     本文研究了金属陶瓷的金属基体含量、陶瓷颗粒、润滑剂的含量和粒度等各主要组份对其摩擦磨损性能和力学性能的影响规律。 结果表明,金属基体含量应不低于75%,SiO2含量为6%、粒度为-300目,石墨含量为10%、粒度为-200目时,材料在100~350℃时的摩擦磨损性能较好。
短句来源
     Interfacial strength would be increased between carbon nanotubes and metal-matrix through electroless plating a continuous layer of copper on carbon nanotubes.
     通过化学镀在碳纳米管表面镀上一层连续的铜镀层,以改善碳纳米管与金属基体的润湿性,增强界面结合力。
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  “metal-matrix”译为未确定词的双语例句
     Current Status and Development Prospect for SiCp/Al Metal-Matrix Composites for Electronic Packaging
     SiCp/Al电子封装复合材料的现状和发展
短句来源
     Fabrication and Thermophysical Properties of SiC_p/Al Metal-matrix Composites by SPS
     SiC_p/Al复合材料的SPS烧结及热物理性能研究
短句来源
     By explosive powder compaction technics,the WC/Al_2O_3/Cu particle reinforced metal-matrix composites produced are studied,and the effects of process parameters on density of compacts are analyzed.
     利用爆炸粉末烧结工艺,探索WC/Al2O3同时作为增强基颗粒制取多种颗粒增强Cu基复合材料的可行性,同时分析了工艺参数对压实坯致密度的影响。
短句来源
     (4) The wear-resisting properties of 7000 series metal-matrix composites are excellent compared with that of matrix alloys and Al-Si alloys.
     (4)7000系铝基复合材料的摩擦磨损性能相对基体合金和Al-Si合金有显著改善。
短句来源
     Preparation Technology in Metal-Matrix Nanocomposites
     金属基纳米复合材料的制备技术研究
短句来源
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  metal-matrix
The structure and properties of metal-matrix Al/Al-Cu-Fe-quasicrystal composites produced by compacting mechanically alloyed powders have been studied.
      
Tri-dimensionally continuous network reinforced metal-matrix composite and its manufacturing method
      
A new type of tri-dimensionally continuous network reinforced metal-matrix composite was proposed and an effective manufacturing method was advanced.
      
By employing the SHS reaction of AI-TiO2,-C system and vacuum high pressure infiltration technique, the making of this type of metal-matrix composite has been thoroughly studied.
      
By means of OM and SEM the obtained highly porous SHS reaction products and the resulting tridimensionally continuous network reinforced metal-matrix composite have been closely examined.
      
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The process of deformation and crack initiation of high temper (550℃) medium-carbon steel 40Mn has been investigated using smooth tensile specimens. The midgage length part of the specimen was spark cut into 0.3mm thick sheets. The direct transmission observation of thin foil specimens was carried out on TEM. The evolution of the dislocation structure with elongation in the steel of hardened and tempered condition was studied. In the lath ferrite, the feature of dislocation structure is irregular network. At...

The process of deformation and crack initiation of high temper (550℃) medium-carbon steel 40Mn has been investigated using smooth tensile specimens. The midgage length part of the specimen was spark cut into 0.3mm thick sheets. The direct transmission observation of thin foil specimens was carried out on TEM. The evolution of the dislocation structure with elongation in the steel of hardened and tempered condition was studied. In the lath ferrite, the feature of dislocation structure is irregular network. At the stage of comparatively small elongation (δ=0.2-2.7%), near the interface of ferrites and the ferrite-cementite interface, regular dislocation networks appear and the dislocation density increases. At the deformation stage of δ=4.7%, the dislocations tangle and desify. At the deformation stage of δ=6.8-10%, the feature of dislocation structure becomes elongated dislocation cells. The crack nucleation in hardened and tempered steel has been observed by SEM and optical microscope. When the deformation attains δ=4.7%, the submicroscopic cracks are initiated at interface of metal matrix and inclusion. At the deformation stage of δ=6.8%, the submicrocrack initiated at interface of lath ferrites and interface of ferritecementite. The submicroscopic crack propagated through the formation and joining up of void groups.

本文应用金属薄膜试样的透射电子显微镜的分析方法,以及扫描电镜和光学显微镜的分析方法,研究调质状态40Mn钢拉伸加载过程变形度对位错结构和裂纹萌生的影响。条状铁素体和渗碳体试样在拉伸加载过程中随延伸率δ的增加,铁素体中的位错网很快演变为高密度的位错缠结和拉长的位错胞。显微组织特征直接影响裂纹的萌生部位。微孔往往在铁素体与渗碳体的界面处和条状铁素体间的边界处萌生,开裂的早期阶段主要是形成微孔群。

Studies were made of the mechanical alloying of an oxide dispersion strengthened majority γ'-phase Ni-base superalloy by analyses of SEM and X-rays. By a high energy ball milling technique, a mechanical solid-solution may be formed and the mechanical alloying may be realized from various raw metal powders, The CrNi-based masteralloy and elements such as W, Mo, Ta, etc. in the raw metal powders were continually solid-soluble into Ni matrix and the lattice parameter of Ni-base solid-solution was increased with...

Studies were made of the mechanical alloying of an oxide dispersion strengthened majority γ'-phase Ni-base superalloy by analyses of SEM and X-rays. By a high energy ball milling technique, a mechanical solid-solution may be formed and the mechanical alloying may be realized from various raw metal powders, The CrNi-based masteralloy and elements such as W, Mo, Ta, etc. in the raw metal powders were continually solid-soluble into Ni matrix and the lattice parameter of Ni-base solid-solution was increased with processing time. Simultaneously, nearly random dispersion of the ultraflne oxide particles was obtained in the metal matrix. Although the micro-area compositions of the mechanical solid-solution is segregated, yet it may be improved by certain effective steps. The technical parameters of the mechanical alloying in aUoy studied were also analyzed and discussed.

本文用扫描电镜和X射线对一种复杂的弥散强化Ni基高温合金的机械合金化进行了研究。实验表明,采用高能球磨的方法可以使原料中的各种金属粉末间形成机械固溶体,实现合金化。在球磨过程中,原料中的Cr-Ni基母合金以及W,Mo,Ta等元素不断向Ni基体中周溶,使Ni基固溶体γ_(Ni)的点阵参数逐渐增大。同时,超细氧化物粒子在基体中也逐步达到理想的分布状态。这种机械固溶体虽存在一定的微区成分偏离,但可以通过某些有效措施使之显著减小。本文对机械合金化工艺参数也进行了分析和讨论。

The micro-morphology of the initiation zone of SCC of Ti-5A1-2.5Sn alloy in 3.5% NaCl solution has been inspected by OM and SEM.A study of the SCC crack's details by OM,TEM,X-ray diffractometer and ion microanaly- zer has also been made.Based upon the results of these experiments,it is pro- ved that the hydrogen generated during SCC has really penetrated into the metal matrix,then concentrated at the maximum of triaxial stress in front of the crack tip,and precipitated as hydride particles of fct and bee lattice,...

The micro-morphology of the initiation zone of SCC of Ti-5A1-2.5Sn alloy in 3.5% NaCl solution has been inspected by OM and SEM.A study of the SCC crack's details by OM,TEM,X-ray diffractometer and ion microanaly- zer has also been made.Based upon the results of these experiments,it is pro- ved that the hydrogen generated during SCC has really penetrated into the metal matrix,then concentrated at the maximum of triaxial stress in front of the crack tip,and precipitated as hydride particles of fct and bee lattice, resulting in rapid development of SCC.The source,transportation and acting position of hydrogen,as well as the role of internal hydrogen in SCC of tita- nium alloy have been discussed.

本文用金相显微镜和扫描电镜对 Ti-5Al-2.5Sn 合金在近中性3.5%NaCl 水溶液中 SCC 裂纹形核带的微观形貌进行了观察。通过金相显微镜、透射电镜、X 光衍射仪和离子探针等手段对 SCC断口的研究,证明了 SCC 裂纹尖端生成的氢确实进入了钛合金基体,并且裂纹前端最大三向应力区域形成了 fct 型和 bcc 型氢化物沉淀,导致了 SCC 的快速发展。在实验事实的基础上,对 SCC 过程中氢的来源、输运、氢起作用的位置,以及内氢的作用等问题进行了讨论。

 
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