Characterization and performance of laser melted AZ91D and AM60B

Dubé, D.; Fiset, M.; Couture, André; Nakatsugawa, Isao

doi:10.1016/s0921-5093(00)01414-3

Cited by 106 publications

(72 citation statements)

References 20 publications

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“…The β-phase contains ≈ 32 wt.% Al. All these results were in complete agreement with the literature on AZ91 alloy microstructure, which has been widely studied [3,4,17].…”

Section: 2chemical Analysissupporting

confidence: 91%

“…Their edges were machined by milling. For the experimental study performed within the framework of our work, we had machined samples with parallelepidic shape and dimensions of 300x46x3 mm 3 . Two plates were welded together side by side using a laser beam, which penetrated throughout the thickness of the plates.…”

Section: Sample Presentationmentioning

confidence: 99%

“…The microsections for the structure examination were first polished with sandpaper of 450 to 1200 grits and then mechanically polished with 3 and 1 µm diamond oil-suspension. After polishing, the structure was revealed by 3%-nital solution, composed by 100 ml CH 3 OH + 3 ml HNO 3 . The microstructures in every zone were investigated by scanning electron microscopy (SEM) [14] and by optical microscopy.…”

Section: Grain Sizes Measurement By Microscopy Opticalmentioning

confidence: 99%

“…This later constituent is a so-called abnormal eutectic [3,14,17] because of its lamellar shape. The predominance of the α-Mg phase is confirmed by X-ray analysis [14].…”

Section: Summary Of the Microstructure And Phase Analysismentioning

confidence: 99%

“…In particular, this technique is a complex process accompanied by shrinkage effects, phase transformations and intensification of corrosion [3]. This process leads to solidification in nonequilibrium conditions.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Study of Mechanical Properties of AZ91 Magnesium Alloy Welded by Laser Process Taking into Account the Anisotropy Microhardness and Residual Stresses by X-Ray Diffraction

Kouadri

Barrallier

2010

Metall Mater Trans A

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is an open access repository that collects the work of Arts et Métiers ParisTech researchers and makes it freely available over the web where possible. ABSTRACTThe objective was to study the mechanical properties of a magnesium alloy welded by a CO 2 laser. Residual stresses were measured by X-ray diffraction. They were calculated by the classic sin 2 Ψ method in the isotropic zones by using the orientation distribution function

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“…The β-phase contains ≈ 32 wt.% Al. All these results were in complete agreement with the literature on AZ91 alloy microstructure, which has been widely studied [3,4,17].…”

Section: 2chemical Analysissupporting

confidence: 91%

Section: Sample Presentationmentioning

confidence: 99%

Section: Grain Sizes Measurement By Microscopy Opticalmentioning

confidence: 99%

“…This later constituent is a so-called abnormal eutectic [3,14,17] because of its lamellar shape. The predominance of the α-Mg phase is confirmed by X-ray analysis [14].…”

Section: Summary Of the Microstructure And Phase Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Study of Mechanical Properties of AZ91 Magnesium Alloy Welded by Laser Process Taking into Account the Anisotropy Microhardness and Residual Stresses by X-Ray Diffraction

Kouadri

Barrallier

2010

Metall Mater Trans A

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Understanding Magnesium Corrosion—A Framework for Improved Alloy Performance

Song

Atrens²

2003

Adv Eng Mater

1,818

1,015

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The purpose of this paper is to provide a succinct but nevertheless complete mechanistic overview of the various types of magnesium corrosion. The understanding of the corrosion processes of magnesium alloys builds upon our understanding of the corrosion of pure magnesium. This provides an understanding of the types of corrosion exhibited by magnesium alloys, and also of the environmental factors of most importance. This deep understanding is required as a foundation if we are to produce magnesium alloys much more resistant to corrosion than the present alloys. Much has already been achieved, but there is vast scope for improvement. This present analysis can provide a foundation and a theoretical framework for further, much needed research. There is still vast scope both for better fundamental understanding of corrosion processes, engineering usage of magnesium, and also on the corrosion protection of magnesium alloys in service.

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In vitro and in vivo degradation assessment and preventive measures of biodegradable Mg alloys for biomedical applications

Jana

Das

Balla

2021

J Biomedical Materials Res

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Magnesium (Mg) and its alloys have been widely explored as a potential biodegradable implant material. However, the fast degradation of Mg‐based alloys under physiological environment has hindered their widespread use for implant applications till date. The present review focuses on in vitro and in vivo degradation of biodegradable Mg alloys, and preventive measures for biomedical applications. Initially, the corrosion assessment approaches to predict the degradation behavior of Mg alloys are discussed along with the measures to control rapid corrosion. Furthermore, this review attempts to explore the correlation between in vitro and in vivo corrosion behavior of different Mg alloys. It was found that the corrosion depends on experimental conditions, materials and the results of different assessment procedures hardly matches with each other. It has been demonstrated the corrosion rate of magnesium can be tailored by alloying elements, surface treatments and heat treatments. Various researches also studied different biocompatible coatings such as dicalcium phosphate dihydrate (DCPD), β‐tricalcium phosphate (β‐TCP), hydroxyapatite (HA), polycaprolactone (PCL), polylactic acid (PLA), and so on, on Mg alloys to suppress rapid degradation and examine their influence on new bone regeneration as well. This review shows the need for a standard method of corrosion assessment to predict the in vivo corrosion rate based on in vitro data, and thus reducing the in vivo experimentation.

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Characterization and performance of laser melted AZ91D and AM60B

Cited by 106 publications

References 20 publications

Study of Mechanical Properties of AZ91 Magnesium Alloy Welded by Laser Process Taking into Account the Anisotropy Microhardness and Residual Stresses by X-Ray Diffraction

Study of Mechanical Properties of AZ91 Magnesium Alloy Welded by Laser Process Taking into Account the Anisotropy Microhardness and Residual Stresses by X-Ray Diffraction

Understanding Magnesium Corrosion—A Framework for Improved Alloy Performance

In vitro and in vivo degradation assessment and preventive measures of biodegradable Mg alloys for biomedical applications

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