在应力作用下金属材料的塑性失稳现象对构件的安全服役至关重要,这也一直是科学和工程领域关心的重要问题之一.铝合金作为应用广泛......

采用常规热挤压方法制备Mg?1Mn?0.5Al?0.5Ca?0.5Zn合金,挤压温度为673 K,挤压比为25:1,并进行473 K时效处理.采用扫描电镜、电子背......

基于原子分辨率的高角环形暗场扫描透射电子显微镜(HAADF-STEM)系统研究预变形对Al?Mg?Si?Cu合金中析出相结构和形成机制的影响.在......

Large-sized precipitates are fatal to the thermal fatigue of H13 hot work die steel.Different amounts of Ti and/or rare ......

通过750℃低周疲劳试验,研究55Ni?23Cr?13Co基高温合金在应变幅度为0.35％～0.6％下的循环变形行为及显微组织演变.Coffin?Manson?Basqui......

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The influence of Fe on the microstructure and mechanical properties of P-doped Ni-Cr-Fe alloys has been investigated.Res......

Friction stir additive manufacturing is a newly developed solid-state additive manufacturing technology.The material in ......

Mercury(Hg)was utilized as electrolyte in the industrial producing of chlor-alkali and resulted large anthropogenic Hg e......

Inhibition of austenite grain growth above the eutectoid temperature in steels is of great importance in the steel produ......

Thermal simulator and transmission electron microscope(TEM)were adopted to investigate the precipitation behavior in dif......

The microstrutctural evolutions of advanced 9-12%Cr ferrite/martensite heat-resistant steels used for power generation p......

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本文对超高强度石油套管用25CrMo48V钢进行了900℃30min淬火、650℃5～120min回火的调质热处理,测试了各样品的维氏硬度,采用透射电......

本文通过设计制备了两成分不同的硅铜钢样，利用坩埚式盐浴退火炉和HBS-2000布氏硬度计，分别研究了 含C或含S硅钢在700℃-900℃不同时......

Friction stir welding(FSW)has been invented for more than twenty years.Based on friction stir welding,new technologies a......

In this work, LaPO_4:Ce, Tb phosphors were prepared by firing a LaPO_4:Ce, Tb precipitate using an ionic-liquid-driven s......

本文研究了7136 Al合金T6、T79和T74态的组织、力学性能和应力腐蚀开裂(SCC)之间的关系,讨论了组织对力学性能和腐蚀开裂敏感性的......

Al-Cu-Li alloy is a huge potential alloy for aerospace industry due to its low density and excellent comprehensive perfo......

这篇论文论述 Cu 的观察谷物边界结构: 在到海水的暴露前后的 Ni 70:30 合金试管。薄血小板沿着合金的谷物边界猛抛的结果表演在热......

Inorganic calcium carbonate precipitation from natural seawater and saline water at various pH values was carried out ex......

Mesoporous γ-aluminas with large pore size(up to 19 nm,denoted as MA19) are prepared from dispersed pseudo-boehmite usi......

CeO2-ZrO2-Al2O3 ternary oxides were successfully prepared by a green route of supercritical anti-solvent precipitation w......

Sn(OH)4 was prepared by the conventional solution precipitate method,followed by supercritical CO2 drying.The resultant ......

Objective:In order to overcome the defects of chemical hydrolysis approach to prepare glucosamine,an enzymatic hydrolysi......

A novel β-diketone, 1-(3,4,5-trisbenzyloxy)benzoyl-5-benzoyl acetylacetone (TBAA), and its corresponding binary Tb(Ⅲ) ......

LiFePO4 cathode material is synthesized by a simple solid-state reaction method with FePO4 ·2H2O as iron source and cit......

Nanosized Fe-Co catalysts were prepared by co-precipitation method and studied for the conversion of synthesis gas to li......

提出一种计算公式,定量地计算同时形成氢氧化物沉淀和氢氧配合物的化学反应体系中金属离子的分布,考察影响氢氧化物沉淀和氢氧配合......

Polyimides have been widely used in aerospace and microelectronics due to their excellent mechanical properties and ther......

Density functional theory(DFT)was utilized to simulate the reactions occurred in the mixture solution of cysteine and Hg......

Cerium-zirconium composite oxides with high performance were synthesized by a co-precipitation method, using zirconium o......

Monoclinic metahewettite CaV 6 O 16 ·3H 2 O has been fabricated via thermal hydrolysis of calcium vanadate(Ca 10 V 6 O ......

In the process of dimerization of acetylene to produce monovinylacetylene (MVA),the loss of active component CuCl in the......

High strength IF steel sheets with sufficient formability had been extensively used in automotive industry.In this paper......

The behavior of copper atoms(Cu)in body-centered cubic iron(bcc Fe)has an important effect on the properties of Fe-alloy......

Measurement fission yield with radiochemical method,gravimetric method is a classical method for measure the chemical yi......

α-benzoin oxime is the special reagent of molybdenum,which is the most widely used in the separation and analysis of mo......

OBJECTIVE To screen the active ingredients preventing platelet aggregations from Taohong Siwu Decoction. METHODS Fresh b......

ZnO nano-particles were synthesized via an ammonical ammonium carbonate solution by precipitation method in presence of ......

Oriented attachment and Ostwald ripening are two aging mechanisms of precipitation particles which may result in differe......

The gelation behaviours of low molecular weight gelators 1,3:2,5:4.6-tris(3,4-dichlorobenzylidene)-Dmannitol(G1) and 2,4......

Recovery processes of secondary resources usually encounter problems because of the diverse compositions of wastes. To e......

Whether the dislocation nucleation or the sudden dislocation multiplication dominates the incipient plastic instability ......

To accurately measure the yields of palladium,silver,cadmium and tin that generated from the fission of plutonium,radioc......

By employing an electrical micro-titration system, in which a capacitively coupled contactless conductivity detector(C4D......

An improved and practical synthesis of enzalutamide was accomplished in five steps.Starting from 4-bromo-2-fluoro-benzon......

Objective To study the effects of MMP-9 (Matrix Metalloproteinase-9, MMP-9) in the pathogenesis of abdominal aortic aneu......

After bottoming out last year, the emerging economies of East Asia are recouping their losses and setting out onto the f......

Cooled in water after the isothermal relaxation of deformed austenite for different times, a Nb-bearing microalloyed ste......