Effect of hot pressing parameters on microstructure and high temperature oxidation behavior of Laves phase NbCr_2 alloys 热压烧结对Laves相NbCr2合金组织及高温氧化行为的影响
Effect of Mechanical Alloying on Oxidation Behavior at 1100 ℃ of Laves Phase NbCr_2 Alloys by Hot Pressing Synthesis 机械合金化对热压合成Laves相NbCr2合金1100℃氧化行为的影响
Defect structure in NbCr_2 Laves-phase intermetallics and its toughening effect Laves相NbCr2金属间化合物的缺陷结构及其韧化效应
Electronic Structure and Mechanical Properties of Mg-Al-Ca Laves Phase and Mg-Al-Sb Alloys Mg-Al-CaLaves相和Mg-Al-Sb合金的电子结构和力学性能
Effect of alloying elements on phase composition of ZrMn_2-based Laves phase hydrogen storage alloys 合金化对ZrMn2基Laves相贮氢合金相组成的影响
The effects of rapid quenching on the initial activation capabilities of AB_2 Laves phase electrode alloys were investigated comprehensively. The phase structures and morphologies of as-cast and quenched alloys were determined and observed by XRD and SEM. 研究了快淬处理对AB2型Laves相电极合金初始活化性能的影响,用XRD和SEM分析了铸态及快淬态合金的相结构,并观察了合金的微观组织形貌。
The Development of Zr-Based Laves Phase Hydrogen Storage Eleetrode Materials 锆系Laves相贮氢电极材料的研究进展
Besides, the effects of both valence charge and atomic radius on Laves phase structures are in opposition to each other in transition-lanthanide ( actinides) alloys. 对过渡-镧系(锕系)元素组成的合金,B原子的价电子数对其Laves相结构影响最为明显,且价电子和原子半径对Laves相结构的影响作用互为反向。
The results show that the alloys is composed of BCC phase and C14 Laves phase. 研究表明:合金由C14Laves相和BCC相构成;
Structure and electrochemical properties of Ti-based Laves phase hydrogen storage alloy Ti基AB2Laves相合金的结构与电化学性能
The latest progress in RE series, AB 2 type Laves phase, BCC solid solution type and Mg based hydrogen storage alloy were surveyed. 对稀土基、AB2型Laves相、BCC固溶体型以及Mg基储氢合金的最新进展进行了简要综述;
Analysis of Micro Melting Model and Melting of MgCu_2 Type Laves Phase MgCu2型laves相的微观熔化模型与熔化的电子理论分析
The hardness and brittleness of ZrCr_2 Laves phase decrease, the fracture toughness is enhanced with the addition of alloying elements V, Nb and Mo, which implies that alloying has a softening effect on the mechanical properties of the ZrCr_2 Laves phase. 添加合金元素V、Nb和Mo使ZrCr2Laves相化合物硬度及脆性度降低,断裂韧度显著提高,即合金化对ZrCr2Laves相起软化作用。
AB_2 Type Zr-Based Laves Phase Alloys and Hydrogen Absorbing Electrodes AB2型锆基Laves相合金及贮氢电极
First-principles study of elastic properties and stacking fault energies of ZrCr_2 Laves phase ZrCr2Laves相弹性性质和堆垛层错能的第一性原理计算
The results show that anti-site defects exist in the ZrCr_2 Laves phase. 结果表明:当ZrCr2Laves相成分偏离化学计量比时,ZrCr2中存在着反位置(组分)缺陷。
Development Research of AB_2-Type Laves Phase Hydrogen Storage Alloy AB2型Laves相贮氢合金的研究进展
It is found by XRD analysis that the alloy mainly consists of C14 Laves phase with hexagonal structure and V-based solid solution phase with BCC structure. The rapid solidification leads to the decrease in content of the C14 Laves phase in the alloy. XRD研究表明:合金主要由六方结构的C14Laves相和体心立方结构的钒基固溶体相所组成,快速凝固减少了合金中C14Laves相的含量。
HREM observation on long-period stacking structure of zr ( cr, v)_2 Laves phase Zr(Cr,V)2Laves相长周期堆垛结构的高分辨电子显微术观察
Occurrence and Crystal Structure of Zr-Ni Phases in the Zr-Mn-V-Ni Laves Phase Hydrogen Storage Electrode Alloys Zr-Mn-V-Ni储氢电极合金中的Zr-Ni相形成及其晶体结构研究
The effects of the Ti/ Zr ratio and Mn/ Cr ratio on the hydrogen storage properties of Ti Mn based laves phase hydrogen storage alloys were investigated. 研究了不同的Ti/Zr比以及Mn/Cr比对Ti-Mn基Laves相贮氢合金贮氢性能的影响;
The size, amount and morphologies of MC type carbides and Laves phase had no remarkable change after grain refinement. MC型碳化物和Laves相的尺寸、数量和形貌在晶粒细化前后变化不大。
The results show that a lot of intermetallic compounds(μ phase and Laves phase) and carbides ( MC, M 23 C 6 and M 6C) precipitated at same time from the alloy after solution treating and aging. 结果表明,经过固溶和时效处理后合金中同时析出大量金属间化合物和碳化物。金属间化合物主要为μ相和Laves相,碳化物主要为MC、M23C6和M6C。
Convergent beam electron diffraction study of C14 type Laves phase in GH 302 alloy GH302合金中C14型Laves相的会聚束电子衍射研究
Study on Ti/ Mn-Based Laves Phase Hydrogen Storage Alloys Ti/Mn基Laves相贮氢合金的研究
The optimized low temperature annealing time for Laves phase Cr_2Nb synthesized by thermal solid phase reaction provide possibility for preparing both high strength and toughness Cr_2Nb alloy or Cr_2Nb-based composite with micro-/ nano-grains by a process of mechanical alloying followed by a hot pressing or sintering. 优化出的Cr2Nb固相热反应合成低温退火时间,为通过MA+热压(或烧结)工艺路线制备出具有微/纳米晶结构的高强高韧Cr2Nb合金或Cr2Nb基复合材料提供了可能性。
The effect of increasing W content on the precipitation behaviour is revealed not only to promote formation of Laves phase Fe_2 W and increase of total amount of precipitates, but also to accelerated the coarsening of precipitate after annealed on high temperature reheating. 钨量的增加对析出行为有两方面的作用:促进Fe2W型Laves相的形成并增加析出相总量;加速了回火后在高温加热过程中析出相的粗化。
The main reason of rapidly quenched having a different influence on the initial activation capabilities of AB_2 Laves phase electrode alloys was the quantities of the amorphous formed by rapid quenching in alloys were different. 快淬使AB2型电极合金活化性能发生变化的根本原因是合金中形成了不同量的非晶相。
Effect of Heat Treatment on properties of Ti-Mn based Laves Phase Hydrogen Storage Alloys 热处理对Ti-Mn基Laves相贮氢合金性能的影响