suPerplasticity相关论文
研究AZ41镁合金在热轧(无后续热变形)条件下的显微组织变化,以确定其在超塑性成形工艺中的适用性,并确定最佳成形参数.采用高温拉......
In order to understand the high-temperature deformation behaviour of alloy having hard surface layer,thermo-mechani-call......
The superplastic deformation characteristics, of commercial 40Cr (i.e., 5140) steel that was water-quenched only 1 times......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
The high temperature creep behavior of carbon nanotube(CNT)/alumina was mediated by the surface chemical functionalizati......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
The hot deformation behavior of uniform fine-grained GH4720 Li alloy was studied in the temperature range from 1040 to 1......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
The superplastic response of commercial 5083 alloy( Al-4. 42Mg) under uniaxial tension at strain rates ranging from 5 ×......
This article concentrates on the investigation of hot deformation behavior of conventionally rolled commercial grade AA5......
Effects of friction stir processing on the microstructure and superplasticity of in situ nano-ZrB2/2
In this study, in situ nano-ZrB2/2024Al composites fabricated from 2024Al–K2ZrF6–KBF4 system were processed by frictio......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
This paper gives a set of formulae for measuring strain hardeningexponent n in different typical deforming routes by usi......
It has been experimentally proved that strain hardening exponent has very strong sensitivity to structure. The measuring......
With scanning electron microscope (SEM), the surface morphology of phase boundary sliding (PBS) in superplastic deformat......
Some commercial cold working die steels GCr15 and CrWMn with ultra-fine grain size were chosen as tested materials to re......
The superplasticity and diffusion bonding of IN718 superalloy were studied in this article. The strain rate sensitivity ......
The superplastic behavior of a commercial duplex stainless steel has been studied by means of isothermal hot tensile tes......
Microstructure evolution during superplastic deformation of a large-grained TiA l alloys with near-γ microstructure was......
In order to study the subboundaries evolution in superplastically deformed NiAl, the positron lifetime change during sup......
The effect of extrusion on grain refinement has been studied in the AZ91 cast ingots. It is found that grain size smalle......
A series of alumina-zirconia composites with various grain sizes were prepared from the nano-sized powders with differen......
Superplasticity of as-rolled ZK60 magnesium alloy sheets, with the average grain size of 8.2μm, was investigated at a s......
The superplastic behavior was studied in an Al-4Cu-1Li-0.4Mg-0.4Ag-0.1Zr alloy. The alloys were manufactured both by a c......
The effect of two-stage aging on the microstructures and superplasticity of 01420 Al-Li alloy was investigated by means ......
Superplastic deformation mechanism of AZ31B magnesium alloy sheet was investigated. Maximum elongation of 216%and strain......
Uniaxial tensile tests were carried out in the temperature range of 250-450 ℃ and the strain rate range of 0.7×10-3-1.......
True stress-true strain curve,microstructure and texture information were obtained to investigate the superplastic defor......
Microstructure evolution and mechanical behavior of AZ31 Mg alloy processed by equal-channel angular
AZ31 Mg alloy bar was subjected to 8-pass equal-channel angular pressing(ECAP) at 623 K. Microstructure evolution was ob......
The mechanical properties and deformation mechanism of semi-continuously casting and as-extruded AZ70 magnesium alloys i......
The superplasticity of AlNp/6061Al composite, fabricated by powder metallurgy method and hot-rolled after extrusion, was......
High temperature tensile ductilities and deformation mechanisms of an extruded and rolled AZ31 Mg alloy were investigate......
利用扫描电镜(SEM)和超塑性拉伸实验对一次热挤压加工成型的AZ61镁合金薄板(晶粒尺寸～12μm)超塑性变形特征进行了研究.结果显示,在......
超塑性材料具有延伸率非常高,可以成形复杂结构件等优点,已得到广泛应用.研究了考虑晶粒长大效应的超塑性材料拉伸稳定性问题.根据......
The superplastic deformation curves of Zn-5Al eutectic alloy containing small amount of rare earth were measured, and th......
High strain rate superplastic deformation behavior of powder metallurgy (PM) processed 17 vol. pct SiCp/2024 Al composit......
研究间断变形工艺对AZ31镁合金超塑性的影响。结果表明，当温度为400-440℃、应变速率小于5×10^-4s^-1时，间断变形工艺可以显著......
鉴于超塑性和蠕变变形中存在大量位错的实验事实，将晶粒内部平均位错数量引入到Ruano-Wadsworth-Sherby归一化的晶粒尺寸-应力的变......
超塑性成形是一种少无切削加工的先进制造技术.综述了钢的超塑性和超塑性成形的特点与应用,提出了今后研究发展的方向.......
材料在超塑状态下极好的塑性变形和原子扩散能力十分有利于固态焊接接头的形成.综述了超塑性在材料固态焊接中应用研究的现状,对已......
采用粉末冶金法制备出了体积分数为2OSi3N4P／2124Al的铝基复合材料，初步研究了该材料的压缩超塑性，确定了该复合材料压缩超塑成形工艺......
在高应变速率超塑性变形过程中, SiC(10%)/MB2复合材料内部有空洞生成. 对不同应变量拉伸试样轴剖面上的空洞进行观察, 结果表明: ......
采用恒速度法测量了稀土Zn-5Al共晶合金的塑性拉伸曲线, 结合金相组织研究了稀土对其超塑性特性的影响. 结果表明: 在Zn-5Al合金中......
研究退火态Ti2AlNb合金热轧板材在温度为940-980℃和初始应变速率为8．33×10^-4-1×10^-2s^-1时的超塑变形行为。结果表明：......
对A16061／20SiCw板材在单向拉伸和等双向拉伸应力状态下的孔洞行为进行研究。利用长轴与短轴比分别为1：1和2：1的胀形模具，在恒定应力2M......
氢处理技术是通过氢的可逆合金化作用,对钛合金的微观组织、力学性能和加工性能进行调整的一种新兴热加工技术.钛合金中氢的加入可......
介绍了金属板材超塑气压胀形中改善零件壁厚分布的各种工艺方法,并对其原理、应用环境和工艺过程中可能出现的问题进行了分析,对指......
