az91d

Preparation and Properties of AI_2O_3-SiO_2 / AZ91D Magnesium Alloy Matrix Composites

Al2O3-SiO2/AZ91D镁基复合材料的制备及其性能研究

The numerical technique is applied to simulate die casting process of semi-solid AZ91D magnesium alloy .

从流体力学的角度，采用数值技术对半固态AZ91D镁合金的压铸过程进行了研究。

Effects of different heat treatment on microstructure and mechanical properties of extruded AZ91D magnesium alloy tube were studied .

研究了不同状态坯料及热处理工艺对挤压成形AZ91D合金管件组织性能的影响。

In the present study , higher power frequency makes the solid particle of the semi-solid AZ91D more spherical .

在试验范围内，随电磁搅拌电源频率的增大，半固态AZ91D合金组织中固相颗粒形态越来越圆整。

The Degassing of AZ91D Mg Alloy by a Spinning Spraying Processing ;

研究了旋转喷吹技术在AZ91镁合金熔体除气净化处理上的应用。

A new route to synthesize TiC / AZ91D magnesium matrix composites with interpenetrating networks

具有网络互穿结构TiC/AZ91D镁基复合材料的一种合成方法

At the same time , the influence on the AZ91D through adding the different modification agents were studied on the paper .

同时研究了采用不同的变质剂AZ91D合金进行变质处理。

The result shows the mechanical property of AZ91D extruded tube can be greatly enhanced by adjusting different treatments .

结果表明，不同的处理方式，可不同程度地提高管材的力学性能。

Effects of Calcium and Strontium on Microstructure and Properties of Mg_2Si / AZ91D Composites

钙和锶对Mg2Si/AZ91D复合材料组织和性能的影响

A kind of pocket computer casing , made of AZ91D alloy , is manufactured by precision casting .

某厂用AZ91D镁铝合金生产的手提计算机机壳，经精密铸造而成。

The weight loss method was applied to evaluate the corrosion resistance of AZ91D alloys and the data were analyzed by multiple regression .

采用减重法评价该合金的耐蚀性能，并对实验数据进行了多元回归分析。

A protecting zinc and aluminum coating on the surface of AZ91D magnesium alloys was obtained by thermal spraying .

在AZ91D镁合金表面采用热喷涂工艺制备了锌铝涂层；

The phase structure and dislocations in rapidly solidified AZ91D magnesium alloy were studied by TEM and XRD techniques .

采用TEM和XRD分析技术研究了快速凝固AZ91D镁合金的相结构及位错。

Because of the low melting point of AZ91D magnesium alloys , the cutting scraps maybe be melted .

由于镁合金的低熔点特性，刀刃上的积屑瘤可能会被熔化，这对钻削工是很不利的。

Mischmetal absorptivity and its effects on the element contents in pure magnesium and AZ91D alloy were investigated .

对纯镁及AZ91D镁合金中添加富铈混合稀土的收得率及其各元素含量的变化规律进行了研究。

The results show that shearing rate , solid rate and cooling speed have great effects on apparent viscosity of semi-solid AZ91D slurry .

结果表明：剪切速率、固相率和冷却速度对半固态浆料的表观粘度都有很大的影响。

The squeezed-casting formability of AZ91D magnesium alloy in semi-solid state was studied .

研究了AZ91D镁合金在不同半固态温度下的挤压铸造。

Feeding capacity of AZ91D magnesium alloy is enhanced by using pressure solidification in lost foam casting ( LFC ) .

利用消失模铸造压力凝固技术增强AZ91D镁合金补缩能力。

Influence of rare earth elements on high-cycle fatigue properties of AZ91D alloy was investigated and the fatigue fracture morphology was also analyzed .

研究了稀土元素对AZ91D压铸镁合金高周疲劳性能的影响，并对疲劳断口的组织形貌进行了分析。

A kind of thin wall casing made of AZ91D alloy for pocket computer and mobile phone is manufactured by die-casting .

用AZ91D镁铝合金压铸生产手机和笔记本电脑的结构件时，产品表面会出现爆痘、白点和黑色絮状物等缺陷。

Microstructure and Properties of TiB_ ( 2 ( P )) / AZ91D Composites Fabricated under High-energy Ultrasonic Field

高能超声场下合成TiB（2（P））/AZ91D复合材料的微观组织和性能

The near-liquidus casting process was used in casting AZ91D alloy , and its microstructure was compared with that prepared by liquid casting .

采用近液相线铸造的方法浇铸了镁合金AZ91D，并与液相铸造的组织进行了对比。

Micro-arc oxidation ( MAO ) coatings were formed on AZ91D alloy surface by invariable small current density process in silicate electrolyte .

采用恒定小电流密度工艺于硅酸盐体系中在AZ91D镁合金表面制备微弧氧化膜。

A model of double electric layer and a model of corrosion behaviour were established according to the corrosion characteristics of AZ91D magnesium alloy in the used solutions .

本文根据AZ91D镁合金在酸、碱和盐溶液中腐蚀行为的特点，建立了腐蚀的双电层模型和在溶液介质中腐蚀行为的特性模型。

With increase of fiber content , creep resistance of Al2O3-SiO2 / AZ91D composites composite increased , and the creep properties were improved greatly .

随着纤维含量的增加，Al2O3-SiO2/AZ91D复合材料发生蠕变时受到的阻力也增加，提高了蠕变性能。

In order to discuss the microstructure under slower cooling rate of as-cast AZ91D magnesium alloy , the slow solidification treatment was carried out .

为了探讨AZ91D镁合金在较慢凝固冷却速度下的组织，对其进行了缓慢凝固处理。

Microstructural spheroidization of extruded AZ91D magnesium alloys with a high extrusion ratio of40 was investigated at semisolid state .

通过液淬法获得挤压比为40的AZ91D镁合金等温处理过程中的半固态组织，研究其球化机制。

This paper researched the refining and spheroidization mechanics of the semi-solid grains of AZ91D magnesium alloys by SIMA .

本文利用SIMA法，对细化和球化AZ91D镁合金铸件晶粒的机理作了细致的研究。

The outline of superplastic and anisotropic behavior in AZ91D grain refined by isothermal-rolling is summarized comprehensively .

本文综合评述了日本目前对恒温轧制微细化AZ91D板材的超塑性及其各向异性的研究情况。

The thixo-formability of a magnesium alloy AZ91D and the defect formation were studied with different processing parameters including reheating temperature , time and die temperature .

研究了不同成形工艺参数，如坯料加热温度、加热时间和模具预热温度（模具温度）对AZ91D镁合金触变成形性与缺陷形成的影响。