refined 细化(807)   细化     Cu-Based Shape Memory Alloy Refined by Addition of Rare Earth Element     稀土元素细化晶粒的Cu基记忆合金 短句来源     The results show that Zn and Ag ? Cu can form the AgZn and CuZn3 compound and the microstructure of Sn3.5Ag0.5Cu solder is refined at the same time. Morever,the wettability of the Sn3.5Ag0.5Cu lead-free solder is reduced and its tension strength is improved by adding elements Zn in Sn3.5Ag0.5Cu solder.     结果表明:Zn与Ag、Cu形成AgZn和CuZn3化合物,能显著细化Sn3.5Ag0.5Cu钎料组织,降低Sn3.5Ag0.5Cu钎料合金的润湿性,同时可提高Sn3.5Ag0.5Cu钎料合金抗拉强度。 短句来源     The result indicates that TiAl3 and TiB2 are the main refined metallography in Al5TiBRE master alloy,including erratic AlTiRE metallography;     结果表明:Al5TiBRE中间合金中细化相主要为TiAl3和TiB2,还存在着不稳定的(AlTiRE)相; 短句来源     The 5W6Mo5Cr4V die material treated using compound Re modification was investigated. The results indicate that the network eutectic carbides are changed,the matrix is refined and the segregation of alloy elements was reduced as well.     采用稀土复合变质剂对5W6Mo5Cr4V铸钢模具材料进行变质处理,改变了铸钢组织中的网状共晶碳化物,使基体组织得以细化,同时减轻了合金元素的偏析。 短句来源     The results revealed that the microstructure of Mg-4%Zn alloy is significantly refined with addition of 0.3%Ca. And with increasing Ca addition the mechanical properties of Mg-4%Zn alloy are increased rapidly at first and then decreased slowly.     结果发现,只要加入0.3%的Ca就可使晶粒大为细化,而随着Ca含量的增加,Mg-4%Zn-Ca合金的抗拉强度呈先快速增加后缓慢降低的趋势; 短句来源 更多          “refined”译为未确定词的双语例句     Electronmicroscope analysis of GCr15 bearing steel structure with refined carbides     GCr15钢碳化物组织的电镜分析 短句来源     The Influence of Refined Carbide Particle and M+B Mixture Structure on Contact Fatigue Life of GCr15 Bearing Steel     细颗粒碳化物与M+B复相组织对GCr15钢接触疲劳寿命的影响 短句来源     0.1% Mg is used for refined deoxidizing.     用0.1%Mg进行精炼脱氧。 短句来源     The dimension of grains is about 3.02 to 5.42μm, and refined pearlites about from 0.2 to 1μm with the thickness of strips from 1.0mm to 3.8mm.     成品板厚从3.8～1.0mm的晶粒尺寸约为5.42～3.02μm,珠光体片层间距约在1～0.2μm. 短句来源     The specimens of refined 40Cr steel were fatigued in low cycle by MTS electro-hydraulic servo machine in the condition of strain ε=±0.5% and ±0.8%, followed by interval tempering. The prolonging of fatigue life was obtained.     利用MTS880液压伺服试验机在恒应变ε=±0.5%及±0.8%控制下,对40Cr钢调质试样进行疲劳循环后,再通过间隙回火处理,结果提高了疲劳寿命。 短句来源 更多        查询“refined”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   refined The refined industrial olefins as raw material could meet with the requirements of continuous alkylation. 例句来源       The grain in the workpiece is refined obviously after multi-pass pressing. 例句来源       The terminal functional of a general control system is refined by studying an analogous problem for a variational system and regularization. 例句来源       Certain hypotheses concerning optimal control are refined and the relationship between the Pontryagin maximum principle and Bellman's dynamic programming method in the context of these hypotheses is discussed. 例句来源       Malyugin on linearization of arithmetical models of logical functions are interpreted and refined from the viewpoint of modern techniques of logical design of integral circuits and nearest neighbor technologies. 例句来源       更多                    Internal friction as a function of strain amplitude in zone-refined molybdenum single crystals and commercially pure polycrystalline molybdenum was measured with the three-component piezo-electric resonator method developed by Marx. A Granato-Lucke (GL) type of strain-amplitude-dependent decrement was obtained in molybdenum single crystal annealed in hydrogen at 2000℃. With some prior deformation in molybdenum single crystal, a plateau (or maximum) appears on the decrement-amplitude curve, which is si...             用Marx方法(频率为86kc/s及102kc/s)测量了区熔提纯钼单晶及工业纯钼多晶的内耗振幅依赖关系。钼单晶在2000℃氢气炉中退火后可测得Granato-Lcke型的内耗-振幅曲线。微量冷加工后内耗增大,并使内耗振幅曲线上出现转折平台(或称极大值),与铝在低温低振幅下测得的结果相似。根据位错蚀坑的观察结果,初步认为此转折平台的出现是与冷加工在晶体中产生的未被钉扎的新位错有关,并求得转折平台处内耗的增值与新位错密度成正比的关系。此外还做了温度和时效(200—300℃)对内耗振幅曲线的影响,随着温度的降低和时效时间的增长,内耗明显下降。以上的结果我们用推广的GL理论进行了讨论。 测量了冷加工对工业纯钼多晶的内耗振幅曲线的影响,基本符合GL理论。 文摘来源          Vacuum melted and cast electrolytic iron bar, 10 mm in diameter, has been refined             报导了纯铁浮区熔化过程中杂质碳、氧的行为。电解铁经真空感应熔炼和真空铸锭后,制成直径为10毫米的试样。当区域熔化时,熔区下的试样以3.5—22转/分的速度旋转,而熔区自下而上地以1—2毫米/分的速度沿试样移动。试样经过11次区域熔化。根据碳的分布系数的测定和区熔前后试样中夹杂物的金相鉴定,讨论了区域熔化法去除铁中碳、氧杂质的可能性。 文摘来源          By hot rolling at temperatures between 1175°～900℃ and subsequently isothermaltreating at 600℃, the grain size of α-Fe was refined to 7-22μ in diameter. There werea number of 3-and 2-dimensional dislocation networks and precipitates of small NbCparticles in α-Fe. The lower yield stress of the alloy can be increased up to 35--42kg/mm~2 by the combined strengthening of grain refinement, second phase particle (NbC)and dislocation substructure. The lower yield stress σ_(ly) is related to the average valueo...             Fe—0.04Nb—0.02C合金经1175°C—900°C轧制并随即在600°C进行等温处理后,获得直经为7-22微米的等轴细晶粒α—Fe。在α—Fe中保留相当数量的三维和二维位错网络,并沉淀折出细小的NbC粒子。通过细化晶粒强化,NbC第二相粒子弥散强化和位错亚结构强化的叠加,合金下屈服强度可提高达35-42公斤/毫米~2。下屈服强度σ_(iy)与晶粒的平均直径d之间的关系符合Hall—Petch公式: σ_(iy)=σ_i+k_yd~(-1/2)其中k_y为细化晶粒强化的比例常数,k_y=2.2公斤/毫米~3/2;σ_i为位错在晶粒内运动的阻力,对于600°C等温30秒,40分及3小时者,σ_i分别为21.5,13.5及13.5公斤/毫米。合金的位错密度随拉伸形变程度的增高而增加,平均位错密度ρ的平方根值与对应的流变应力值关系可表达如下式σ_f=σ_?+αGbρ~(1/2)其中G是切变模量;b是柏纸矢量的模;α是位错交互作用产生强化的比例常数,α=0.37;σ。是除位错交互作用外其它因素(如晶粒细化,弥散强化等)对流变应力的贡献,对于600℃等温30秒,40分及3小时者,α_o分别为34,30及30公斤... 文摘来源   << 更多相关文摘         相关查询: refined gold refined oils refined brine refined product refined oil refined calculation refined sugar mesh refined refined textbook refined grinding refined cadmium refined lime  对查询结果不满意

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