az91 magnesium alloy bulk

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High-strain-rate superplasticity in an AZ91 magnesium alloy processed by ingot metallurgy route MATERIALS TRANSACTIONS, 43, 78-80, (2002). Ranganathan S, Singh A, Tsai AP Frank''s ''cubic'' hexagonal phase: an intermetallic cluster compound as an example

EFFECT OF QUENCH ENVIRONMENT ON THE CONVERSION COATINGS ON MAGNESIUM ALLOY AZ91

ON MAGNESIUM ALLOY AZ91 Barbora Ševčíková1, Stanislava Fintová2, Jaromír Wassebauer1, Jakub Tkacz1 1Materials research Centre by Faculty of Chemistry, Brno University of Technology, 612 00 Brno, Purkyňova 464/118, 602 00 Brno, Czech Republic

Mitigation of Corrosion on Magnesium Alloy by …

For example, when AZ91 Mg alloy is immersed in aqueous solutions, the film on the surface of the α phase consists of three layers: an inner layer rich in Al 2 O 3, a middle layer consisting

Wholesale Magnesium Alloy Bar - Magnesium Alloy …

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Effect of Rapid Solidifiion on the Structure and …

The present paper reports an experimental investigation of rapid solidifiion (RS) influence on the structure and mechanical properties of commercial AZ91 magnesium alloy. In order to obtain RS material melt spinning process was applied in protective atmosphere

Electrochemical Behavior of ZE41 Magnesium Alloy under …

Int. J. Electrochem. Sci., Vol. 14, 2019 3096 For the study of ZE41 magnesium some researches have been reported. The study of Johnston has analyzed and compared the corrosion rate of high pure magnesium, AZ91 magnesium alloy and ZE41 magnesium alloy

1. Introduction - Hindawi Publishing Corporation

In this study, Bulk AZ91 magnesium alloy with a nominal composition of Mg-9.0Al-0.95Zn-0.2Mn (acquired from Shenyang Research Institute of Foundry, China) was used as the matrix material. The beta-SiC with a particulate size range of 30 nm (supplied with

Inverse Hall–Petch Behaviour in an AZ91 Alloy and in an …

Herein, the consolidation of particles of the magnesium AZ91 alloy and a composite with an AZ91 matrix coined with 1% alumina powder is investigated. The results show that it is possible to fully consolidate this alloy after a large nuer of turns.

Acta Metall Sin

Fig.1 Morphologies of raw AZ91 alloy powders (a) and carbon nanotubes (CNTs) (b) (Inset in Fig.1b shows the SAED pattern of CNTs) Fig.2 XRD spectra of CNTs, AZ91 and 0.1%CNTs/AZ91 composite (Inset shows the high-magnifiion of XRD spectra) Fig.3 TEM images (a, c) and grain size distributions (b, d) of as-extruded AZ91 alloy (a, b) and 0.1%CNTs/AZ91 composite (c, d) (DRX—dynamic

Characterization of AZ91 magnesium alloy and …

Title Characterization of AZ91 magnesium alloy and organosilane adsorption on its surface Publiion Type Journal Article Year of Publiion 2007 Authors Kim, J, Wong, KC, Wong, PC, Kulinich, SA, n, JB, Mitchell, KAR Journal Applied Surface Science

EFFECTS OF SIC PARTICULATES ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF AZ91 MAGNESIUM …

MECHANICAL PROPERTIES OF AZ91 MAGNESIUM MATRIX COMPOSITES and the composite counterparts are shown in Fig. 6. The mechanical properties of AZ91 alloy were higher than that of SiCp/AZ91 alloys, which may be due to ultra-fine grain size

Thermal stability of bimodal microstructure in …

19/7/2020· The U.S. Department of Energy''s Office of Scientific and Technical Information @article{osti_22476165, title = {Thermal stability of bimodal microstructure in magnesium alloy AZ91 processed by ECAP}, author = {Pantělejev, Libor and NETME Centre, Faculty of Mechanical Engineering, Brno University of Technology, Technická 2896/2, 616 69 Brno and Štěpánek, Roman and NETME …

Influence of Homogenization Annealing of AZ91 on …

Farhoud Kabirian and Reza Mahmudi, Effects of Zirconium Additions on the Microstructure of As‐Cast and Aged AZ91 Magnesium Alloy, Advanced Engineering Materials, 11, …

In vitro corrosion of pure magnesium and AZ91 alloy—the …

In vitro corrosion of pure magnesium and AZ91 alloy—the influence of thin electrolyte layer thickness Rong-Chang Zeng1,2,*, Wei-Chen Qi1,2, Fen Zhang1,2and Shuo-Qi Li1,2 1College of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590,

Achieving high strength and high ductility in magnesium …

AZ91 alloy is one of the most widely used commercial high strength Mg alloys, and is mainly used for die casting production. Although the grains of AZ91 alloys can be greatly refined by SPD, the simultaneous improvement of strength and ductility remains a challenge ( Fig. 7b ).

Characterization of fold defects in AZ91D and AE42 magnesium alloy …

magnesium alloy is known for its excellent high temperature strength in comparison to traditional magnesium alloys currently used (e.g., AZ91 and AM60). Hence, this alloy has a high potential for increased future use. However, the AE42 alloy is difficult to cast

AC Impedance Spectroscopy in Characterizing Time …

6/12/2019· After 3 h, 30 min, the composition was homogeneous for the two alloys. The layers were composed essentially of oxygen, magnesium, and aluminum. The atomic Mg/Al ratio was 4 for the AM50 alloy and 3 for the AZ91 alloy. We can easily explain this difference

Inhibition of Grain Growth by a Ce-rich Precipitate During …

4/3/2019· The commercial AZ91D magnesium alloy, coupled with 0.75 wt% Ce element, was selected in the present study due to its excellent grain refinement effect []. The mixture of raw materials was melted in a quartz crucible by a high-frequency induction heating apparatus and then injected into a copper mold with the inner and outer diameter of 8 mm and 80 mm, respectively.

University of Windsor Scholarship at UWindsor

vi ABSTRACT Magnesium alloy AZ91 is high pressure die cast (HPDC) into rectangular coupons with the section thicknesses of 2, 6 and 10 mm. The first group of samples is employed to investigate the effect of section thicknesses on tensile

Oxide film characteristics of AZ91 magnesium alloy in casting …

Oxide film characteristics of AZ91 magnesium alloy in casting conditions A. R. Mirak1, M. Divandari*1, S. M. A. Boutorabi1 and J. Campbell2 Molten magnesium alloys oxidise rapidly during casting and handling if adequate prevention measures are not taken

STUDY ON MECHANICAL PROPERTIES OF HOT EXTRUDED AZ91- …

(powders/fibers/whiskers) in magnesium matrix composites are incorporated into a magnesium alloy mostly by conventional methods such as stir casting, squeeze casting, and powder metallurgy. 2.1 SQUEEZE CASTING

The surface chemistry of 3-mercaptopropyltrimethoxysilane films deposited on magnesium alloy AZ91

The surface chemistry of 3-mercaptopropyltrimethoxysilane films deposited on magnesium alloy AZ91 A. Scott, J.E. Gray-Munro⁎ Dept. of Chemistry and Biochemistry, Laurentian University, Sudbury, Ontario, Canada P3E 2C6 article info abstract Article history:

Laser Surface Engineering of Magnesium Alloys: A Review

3/6/2012· Laser Surface Engineering of Magnesium Alloys: A Review ASHISH SINGH1 and SANDIP P. HARIMKAR1,2 1.—School of Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, OK 74078, USA. 2.—e-mail: [email protected]

Excellent room temperature deformability in high strain …

12/1/2018· Magnesium and its alloys have the lowest density among structural metallic materials; thus, this light-weight metal has great potential for reducing the weight, for example, of

Effect of rapid solidifiion on the structure and …

The present paper reports an experimental investigation of rapid solidifiion (RS) influence on the structure and mechanical properties of commercial AZ91 magnesium alloy. In order to obtain RS material melt spinning process was applied in protective atmosphere, resulting in formation of 50 to 100 μm thick RS ribbons.

Evolution of microstructure in AZ91 alloy processed by …

An investigation has been conducted on AZ91 magnesium alloy processed in high-pressure torsion (HPT) at 296, 423 and 473 K for different nuers of turns. The microstructure has altered significantly after processing at all processing temperatures. Extensive

Improved corrosion resistance on biodegradable magnesium by …

Mg17Al12 phase is detected from the AZ91 magnesium alloy [8].In previous studies [8,10,13,28–30], metal ion implantation yielded hybrid effects of ion irradiation and deposition forming an ion