Welcome to our website

MENU
Mechanical Characterization of Equal Channel Angular ...

Mechanical Characterization of Equal Channel Angular ...

During , the large aluminium dendrites and eutectic elements were broken and the casting defects were eliminated. This is the reason for this alloy pressed for only four passes of exhibiting much higher tensile strength and much better ductility compared with the as-cast alloy.

Hot Product

Latest News

  • Yanling Zhangs research works | Beijing Institute of ...

    Yanling Zhangs research works | Beijing Institute of ...

    Multipass was applied to prepare ultra-fine-grained Ti-6Al-4V alloy. The microstructure evolution and mechanical properties of Ti-6Al-4V alloy during were discussed in this study.

  • Journal of King Saud University – Science

    Journal of King Saud University – Science

    nels angular pressing . Cast Zn-3Mg alloy was homogenized at 370 C for 15 h and quenched in water before subjected to 2 steps . Results showed that the decreases the alloy’s grain size from 48 mm in the as cast to 1.8 mm after 2-passes of . A remarkably increase of yield

  • Quantitative characterization of microstructure of pure ...

    Quantitative characterization of microstructure of pure ...

     · The microstructure changes of pure Cu 99.99% processed by 8 passes occurring during the annealing caused considerable decrease of hardness Fig. 2. The specimens for microstructure analyses were cut using electro spark in an oil bath which minimalizes the effect of deformation and temperature on the surface.

  • Influence of the initial state on the microstructure and ...

    Influence of the initial state on the microstructure and ...

    , designed as EX- , can over-come this drawback due to grain refinement and fragmentation of large secondary-phase particles [19, 20]. Due to the above-listed difficulties, the papers comparing the magnesium alloys processed by and EX- are still limited. by extrusion prior to leads to

  • Can zinc alloys be strengthened by grain refinement? A ...

    Can zinc alloys be strengthened by grain refinement? A ...

     · In this work, the effect of ECAP on the microstructure and mechanical properties of zinc and zinc alloys with Ag, Cu, and Mn additions 0.5 at% was investigated. Four passes of ECAP Route BC was performed at room temperature for each material.

  • Maintaining High Strength in Mg-LPSO Alloys with Low ...

    Maintaining High Strength in Mg-LPSO Alloys with Low ...

    Alternative routes such as powder metallurgy, the extrusion of recycled chips, or equal channel angular pressing have been considered for effective methods of maintaining the high mechanical strength of Mg-Y-Zn alloys containing long-period stacking ordered structures with respect to the alloy processed by the conventional extrusion of as-cast ingots with the advantage of ...

  • A High-Strength and Biodegradable Zn-Mg Alloy with Refined ...

    A High-Strength and Biodegradable Zn-Mg Alloy with Refined ...

    The chemical composition of the alloy was analyzed to be Zn-1.66 wt% by a MAXx LMF15 electric spark optical emission spectrometer. Cuboid samples with dimension of 20 mm × 20 mm × 45 mm were then cut from the ingot for subsequent plastic . was carried out …

  • Processing characterization of binary Mg-Zn alloys ...

    Processing characterization of binary Mg-Zn alloys ...

     · Magnesium and zinc powders were blended in ethanol. Afterward, they were cleaned for with an to separate accumulated powder and also homogeneous mixing, and after that, the mixture was dried at 50 °C. Three mixtures with different percentages of 3, 7, and 15 wt% zinc have been considered in this work.

  • Tensile Properties and Tensile Fracture Characteristics of ...

    Tensile Properties and Tensile Fracture Characteristics of ...

    After , significant improvement in the yield stress and ultimate tensile strength were observed in all the three alloys. Also, yield stress and ultimate tensile strength were increased with increase in the content of the material. The elongation to failure increased significantly with increase in the number of passes.

  • Zinc processing | Britannica

    Zinc processing | Britannica

    , the extraction of from its ores and the preparation of metal or chemical compounds for use in various products.. Zn is a metallic element of hexagonal close-packed hcp crystal structure and a density of 7.13 grams per cubic centimetre. It has only moderate hardness and can be made ductile and easily worked at temperatures slightly above the ambient.

  • Zinc processing - Ores | Britannica

    Zinc processing - Ores | Britannica

    - Ores: ores are widely distributed throughout the world, although more than 40 percent of the world’s output originates in North America and Australia. The common -containing minerals are the sulfide known as blende or sphalerite ZnS, a ferrous form of blende known as marmatite [ZnFeS], and a carbonate known as calamine or ...

  • Effect of Mo Addition to ZA22 Grain Refined by Ti after ...

    Effect of Mo Addition to ZA22 Grain Refined by Ti after ...

    deformation, SPD. In this paper, addition of o.1 wt. Mo to 22% aluminum, ZA22, and ZA22 grain refined by Ti and after that they were subjected to SPD using the equal channel angular pressing, , . The effect on its metallurgical and mechanical characteristics is investigated and the obtained results are presented and discussed.

  • ECAP | Scientific.Net

    ECAP | Scientific.Net

    By means of of the as-cast alloy, the tensile strength was improved by 50 % Rm = 312 MPa. In the case of the purer A alloy the majority of samples improved to level A = 27.9 %. Forging of the as-cast alloy preserved strength on a level similar to the result, but ductility was improved to the level of 34.4 %, although ...

  • Grain Boundary Sliding in a Superplastic Zinc-Aluminum ...

    Grain Boundary Sliding in a Superplastic Zinc-Aluminum ...

    A Zn-2 to produce a grain size of similar to 0.8 mu m.

  • PDF Effect of equal-channel angular pressing on ...

    PDF Effect of equal-channel angular pressing on ...

    Effect of equal-channel angular pressing on superplastic behavior of eutectic Pb-Sn alloy. Materials & Design, 2012. Mahmoud Soliman

  • Ehsan MOSTAED | Post-Doctoral Fellow | PhD | Michigan ...

    Ehsan MOSTAED | Post-Doctoral Fellow | PhD | Michigan ...

    Ultra-fine grained ZK60 Mg alloy was obtained by multi-pass equal-channel angular pressing at different temperatures of 250 °C, 200 °C and 150 °C. Microstructural observations showed a significant...

  • Zinc based bioalloys processed by severe plastic ...

    Zinc based bioalloys processed by severe plastic ...

    based alloys have recently attracted great attention as promising biodegradable metals. exhibits moderate degradation rates in biological fluid and the releases during the degradation is considered safe to human systems. However, these materials exhibit critical limitations in terms of mechanical properties for medical applications.

  • Aluminum Alloy, ZA22, Grain Refined by Ti and Press, ECAP

    Aluminum Alloy, ZA22, Grain Refined by Ti and Press, ECAP

    ECAP process . The addition of Mo to ZA22 has changed its structure from dendritic large grains struc-ture into equ-axial with smaller grains .Its effect and the effect of

  • Achieving superplastic properties in a ZK10 magnesium ...

    Achieving superplastic properties in a ZK10 magnesium ...

    These angles in the die produce a strain of ~0.8 on each separate pass through the die [28] and the billets were processed for up to 4 passes using route B c in which the billet is rotated by 90° in the same sense between each pass [29]. Samples of the material were extracted before and after for metallography.

  • Metals | Special Issue : Latest Developments in Magnesium ...

    Metals | Special Issue : Latest Developments in Magnesium ...

    All the castings had an interdendritic eutectic structure of the i-phase, and a supersaturation of the matrix in . ... such as the grain sizes, lattice defects, catalysts, and textures introduced by . Full article This article belongs to the Special Issue Latest Developments in Magnesium Technology—Alloying, , ...

  • Microstructure and Wear Performance of ECAP Processed Cast ...

    Microstructure and Wear Performance of ECAP Processed Cast ...

    Initially, were ECAP processed. After ECAP, grain size was reduced and enhancement in the hardness was observed. Wear resistance of the alloys increased after ECAP processing. Wear resistance of the alloys also increased when the quantity of the zinc was increased in the alloys.

  • Metals | Special Issue : Processing and Treatment of ...

    Metals | Special Issue : Processing and Treatment of ...

    Title: The effect of on microstructure and ignition temperature of WE43 alloy Authors: Drahomír Dvorský 1,2, Jiří Kubásek 1,*, Klára Hosová 1, Peter Minárik 3 and Dalibor Vojtěch 1 Affiliation: 1 Department of Metals and Corrosion Engineering, Faculty of Chemical Technology, University of Chemistry and Technology, Prague, Technická 5 166 28 Praha 6 – Dejvice, Czech ...

Get Quick Quote

If you need the latest price list, please leave us a message here! We guarantee that your information will not be divulged to the third parties, and we will reply to you within one working day, thank you

Our email

[email protected]

Ship Quickly Customized Solutions Free Installatuin

  • Product Name

  • Your Name

  • Your Emall(*)

  • Your Phone or Whatsapp

  • Equipment name,model,related issues

I accept the Data Protection Declaration

NEWS

Latest & News

Click avatar to contact us
Click avatar to contact us
back to top