Again, tensile strength may be saced in order to obtain proper casting or working characteristics. It is an object of the present invention to develop magnesium alloys which will coine to a maximum degree the characteristics of corrosion resistance, favorable mechanical properties, workability, susceptibility to improvement by heat
One kind of deformed magnesium alloy with high strength and high plasticity was made to be bicycle parts. Meantime, the microstructure and mechanical properties of the magnesium alloy were analyzed. In addition, the deformation and welding technology of taper pipe and shaped tube of bicycle were studied. The results showed that the bicycle parts manufactured through extruding and welding of
The greatest effect is observed in the case of yield strength, which increases 3 - 5 times, whereas ultimate tensile strength increases 2 - 3 times . Microstructure of magnesium alloy AZ31B may be varied by grain size reﬁnement and microstructure texture control . With grain size taking a greater inﬂuence on microstructure, it may be
Abstract. This article discusses the influence of the thickness of the damping rings used for interrupting a dynamic tension experiments on the
AZ31 magnesium alloy is one of the Mg–Al–Zn (AZ) alloys, and typically contains 2.5~3.5 wt % Al, 0.6~1.4 wt % Zn and 0.2~1.0 wt % Mn. At present, AZ31 magnesium alloy is the most widely used among all wrought magnesium alloys.
> > >20121 > Effect of Cu addition on microstructure and properties of Mg-10Zn-5Al-0.1Sb high zinc magnesium alloy
tensile strength and yield point with a simultaneous increase of elongation at room temperature , whereas for the Mg–2Zn alloy, the tensile strength, the yield point and the elongation reached the highest values for the calcium concentration of 0.2% . Commercial appliions use compounds which modify the
2012-1-6 · The effect of variation of ageing temperature and soaking time at the ageing temperature mechanical properties of aluminium 6063 alloy was investigated. Various samples of the alloy in the as-cast condition were produced, homogenized at 560℃ held at the temperature for 2hrs, and cooled in the furnace. They were solution treated at 440℃ for 10minutes and quench in water, aged at/soaked for
2020-5-25 · Nanocrystalline magnesium alloys having high tensile strength, high elevated-temperature tensile strength, high-strain-rate superplasticity and high thermal stability have been developed in MgZnY(at%) alloy by rapidly solidified powder metallurgy (RS P/M
2019-11-1 · The as-rolled Mg-4.5Sn-5Zn-0.3Sc alloy exhibits an optimum coination of tensile properties. The ultimate tensile strength, yield strength and elongation are 293.0 MPa, 164.2Mpa and 21.5%, respectively, and the elongation is about 68% higher than that of Sc
2019-5-23 · Keywords: Magnesium alloys, High pressure die casting, Optimum process parameters, Mechanical and metallurgical properties, Product quality Mg alloys have been used and preferred in many sectors, especially in automotive, aerospace and electronics industries with appropriate characteristics such as lightness and strength. In the magnesium industry,
2019-8-25 · provide high ductility, and magnesium, which determines the yield strength and ultimate tensile strength of the alloy. Optimum limits for manganese providing high ductility and good ejection behaviour were studied. Mechanical properties as a function of magnesium were shown with focus on very low magnesium content,
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The tensile properties (yield strength and ultimate tensile strength) of the alloys correlate much better with the Mg concentration in solid solution than with the bulk Mg content of the alloys. The recently developed shortened T6 heat treatment cycles for rheocast A356 were tested on alloy F357.
H32 aluminium alloy was scarce. Hence an attempt was made in the work to find the effect of the welding current and inert gas flow rate on the tensile strength of the weld pool by TIG welding and the optimum result was compared with predetermined optimum FS welded joint.
【】：By means of the quadratic regression coination design process,the regression equations of nugget diameter and tensile shear load of spot welded joint were established.Effects of welding parameters on the nugget diameter and the tensile shear load were investigated.The results show that effect of welding current on nugget diameter is the most evident.And higher welding current
Both high tensile ductility and high strength are achieved in bulk multimodal (Multi‐Ni) and bimodal (Bi‐Ni) nanostructured nickel, synthesized by cryomilling and subsequent quasi‐isostatic forging processes. The relatively low tensile ductility of bulk nanostructured materials has been a …
Abstract: The effect of T6 heat treatment on the fracture strength and reliability of AM60B alloy was studied. The tensile specimens were poured at three different temperatures of 670, 685 and 700 °C for different holding times of 5, 10 and 15 min. The fluidity test was
5xxx Series Alloys – (non-heat treatable – with ultimate tensile strength of 18 to 51 ksi) These are the aluminum / magnesium alloys (magnesium additions ranging from 0.2 to 6.2%) and have the highest strength of the non-heat treatable alloys. In addition, this alloy series is readily weldable, and for these reasons they are used for a wide
2018-7-20 · ： ：To improve the strength,hardness and heat resistance of Mg-Zn based alloys,the effects of Cu addition on the as-cast microstructure and mechanical properties of Mg-10Zn-5Al-0.1Sb high zinc magnesium alloy were investigated by means of Brinell hardness measurement,scanning electron microscopy (SEM),energy dispersive spectroscopy (EDS),XRD and tensile tests at room and
2014-5-17 · The final operation of hydrostatic extrusion of magnesium alloy semi products causes the well-disposed structure and phase changes. Thus the high strength properties of the cheap commercial magnesium alloy MA14 are obtained: tensile strength is more than 380 MPa; tensile yield strength is more than 340 MPa.
2011-11-23 · using magnesium alloy AZ91 as raw material, and one component was ultimate tensile strength, and % elongation values. simulations, grains size investigations, porosity investigations, and tensile tests are correlated to each other. Optimum piston speeds, optimum molten metal temperatures are observed, effect of
Formation of finer grains, optimum level of heat generation and higher hardness were the main reasons for increased tensile strength.K.L.Harikrishna et.al. in 2010 concentrated on Friction stir welding of ZM 21 Mg alloy which is having a nominal composition of Mg-2-Zn-1Mn(in wt. %).Proper selection of process parameters obtained a defect
2017-1-19 · process parameters (i.e., rotational speed, welding speed and shoulder overlap ratio) and the quality characteristics (bond tensile strength, shear strength and corrosion) of dissimilar magnesium−aluminium alloy clad joints. The influence of considered process parameters on the clad properties was reported.
2012-11-27 · magnesium alloy on its microstructure, mechanical properties and fatigue behaviour in both the of the optimum annealing time from the viewpoint of structural and chemical homogeneity. tensile strength and elongation with local maxima at 6 hours. From the results it is also evident
Zinc-Magnesium. The addition of magnesium to the aluminum-zinc alloys develops the strength potential of this alloy system, especially in the range of 3 to 7,5% Zn. Magnesium and zinc form MgZn2, which produces a far greater response to heat treatment than occurs in the binary aluminum-zinc system.