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metal matrix     
相关语句
  金属基
     The Studies of TiB_2/Cu Metal Matrix Composites
     TiB_2/Cu金属基复合材料的研究
短句来源
     Influence of SiC_P content and inhibitor on the corrosion behavior of SiC_P/Al metal matrix composites
     SiC_P含量及缓蚀剂对SiC_P/Al金属基复合材料腐蚀行为的影响
短句来源
     Study of metal matrix composites reinforced by Si_3N_4 network structure
     网状结构Si_3N_4陶瓷增强金属基复合材料的研究
     Fabrication of Fe_xCo_(1-x) metal matrix composites with high permeability
     高磁导率下Fe_xCo_(1-x)金属基复合材料的制备
短句来源
     STUDY OF RARE EARTH METAL (REM) CONVERSION COATING ON ALUMINUM-BASED METAL MATRIX COMPOSITES(MMC) Al6061/SiC_P
     铝金属基复合材料Al6061/SiC_P表面稀土转化膜的研究
短句来源
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  金属基体
     Ni-Fe-Ti-B composite coating are mainly composed of γ- (Ni, Fe) and Nihcp metal matrix and a great deal of in-situ synthesized stable phases of TiB2, Ni4B3 and metastable phases of Ni2B, (Fe, Ni)3B type compounds.
     Ni-Fe-Ti-B涂层由金属基体γ-(Ni,Fe)和Ni_(hcp)及大量不同形状的原位析出稳定相TiB_2,Ni_4B_3及亚稳定相Ni_2B,(Fe,Ni)_3B型化合物组成。
短句来源
     The bonding metal matrix is γ-(Ni, Fe) and Ni_(hcp), and the in-situ separating out phases are stable TiB_2, Ni_4B_3 and metastable Ni_2B, (Fe, Ni)_3B type compounds with the shape of granular and thin strip.
     涂层中的粘结金属基体为γ-(Ni,Fe)和Nihcp,原位弥散析出相为呈现出颗粒状、细条状等分布的稳定相TiB2、Ni4B3及亚稳定相Ni2B、(Fe,Ni)3B型化合物.
短句来源
     And low carbon containing ferrite ductile iron with round sphere, more than 85% ferrite containing in the metal matrix and δ≥10% can be made after modifying treatment by using Sx-4 modifier for the 2.0%C and 2.8%Si low carbon containing molten cast iron.
     含2.0%C,2.8%Si的低碳铁液经过Sx-4型变质剂变质处理后,能够在铸态下获得石墨球圆整、金属基体中铁素体比例达85%以上,δ≥10%的高韧塑性铁素体低碳球墨铸铁。
短句来源
     A Study on the Mechanism of Brazing between Diamond and Metal Matrix
     金刚石与金属基体钎焊机理的研究
短句来源
     It was found that the Ni based composite coating mainly consisted of γ (Ni, Fe) bonding metal matrix and the (in situ) synthesized TiB_2 hard particulates.
     结果表明:多道搭接涂层主要由γ (Ni, Fe)粘接金属基体和以TiB2为主的原位析出硬质颗粒组成。
短句来源
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  基体金属
     The results show that the SiC\-P2024Al metal matrix composite is more susceptible to corrosion than its matrix alloy in 3.5%NaCl.
     结果表明 ,SiCP/2 0 2 4Al复合材料在3 5 %NaCl水溶液中比相应的基体金属有较大的腐蚀敏感性 .
短句来源
     Through energy spectrum analysis,it was found that La aggregated to Ti and enriched the interface between metal matrix and diamonds.
     利用扫描电镜和能谱对断口进行分析,发现在实验条件下,稀土元素La有向Ti偏聚的倾向,并富集于基体金属与金刚石的界面。
短句来源
     between Cu/WC P composite coatings and metal matrix there is a transition region in which the microstructures are the compounds of steel substrate and WC.
     Cu/WCP 复合熔覆层与基体金属之间存在过渡区 ,其组织为钢基体 +WC混合组织。
短句来源
     The infiltration process in the liquid extrusion of composites is the key factor that influences the solidification of metal matrix and distribution of fibres.
     液态挤压复合材料浸渗过程是影响基体金属凝固及纤维均匀分布的重要因素。
短句来源
     The lower temperature of powder hot pressing process restricted or reduced the reaction between the quasicrystalline particle and metal matrix. Except the reaction product of quasicrystalline approximant Al_ 13 Fe_4, there was the oxidation of MgAl_2O_4 on Al_ 63 Cu_ 25 Fe_ 12 particle edge.
     粉末热压复合过程中的较低温度限制或减缓了准晶颗粒与基体金属之间的反应,反应层的反应产物除了准晶类似相Al13Fe4外,还存在一定的MgAl2O4氧化物。
短句来源
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  金属胎体
     Effects of some La compounds, LaNi 5, La 2O 3 and La(NO 3) 3 on bending strength and bonding properties of metal matrix/diamond composite made with HP(Hot Pressing) were studied.
     在本文中 ,以不同化合物形式 (LaNi5 、La2 O3、La(NO3) 3)将稀土元素镧加入到铜基金属胎体中 ,测试了金属胎体 /金刚石复合材料的抗弯强度和粘结性能。
短句来源
     Analysis showed that La can reduce void in metal matrix and increase wettability of metal matrix to diamond.
     分析表明:稀土元素La的加入可减少金属胎体中的孔洞等缺陷,改善金属胎体对金刚石的润湿性,从而可以提高复合材料的强度和粘结性能。
短句来源
     Thermodynamic and Kinetic Analysis of La′s Action in Interface Reaction of Metal Matrix/Diamond Composite
     镧参与金属胎体/金刚石复合材料界面反应的热力学及动力学分析
短句来源
     The application and prospect of cemented carbide piston,powder catalyst for synthetic diamond and metal matrix powder for diamond tools in china are described.
     本文结合作者的研究工作,扼要阐述合成金刚石用的硬质合金顶锤、粉末触媒,制造金刚石工具用的金属胎体粉末在我国金刚石工业中使用现状及发展前景。
短句来源
     Effect of La on Bonding Property of metal Matrix to Diamond
     稀土元素La对金属胎体/金刚石复合材料粘结性能的影响
短句来源
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      metal matrix
    With the use of electron microscopy, mercury porosimetry, and X-ray electron probe microanalysis, it was found that a metal matrix, in the pores of which supported catalyst particles were distributed, was formed in the composite catalysts.
          
    The inclusions are shown to precipitate upon reaching a critical product of sulfur and manganese concentrations in the metal matrix.
          
    The use of pyrophoric metals is found to be the most efficient due to a large number of defects in their structure favoring the initial stage of phthalonitrile cyclization on a metal matrix.
          
    The observed anomalous behavior of thermopower in CeB6 and other cerium-based intermetallic compounds is attributed to the formation of heavy fermions (many-body states in the metal matrix) at low temperatures.
          
    A phenomenological model is developed for the giant magnetoresistance of granular media comprising ferromagnetic granules in a nonmagnetic metal matrix.
          
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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...

    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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