A new thermodynamic parameter GCE for identification of glass forming compositions

Sarwat, Syed Ghazi; Ramya, M.; Ali, Prince Sabahut; Raj, Baldev; Ravi, K.R.

doi:10.1016/j.jallcom.2014.11.214

Cited by 11 publications

(4 citation statements)

References 22 publications

(29 reference statements)

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“…Certainly, the most convenient feature of an alloy of this type is that the degradation is low, meaning that it loses volume slowly with respect to time. The formation of bulk metallic glasses (BMG) of Mg-Zn-Ca with a high resistance occurs when increasing the amount in% of elements, which promotes the increase of the forces of attraction between small and large atoms, high contents of Ca would increase the time of crystallization, reducing the rate of crystallization additionally presents the highest efficiency of packaging of the amorphous state [128,[137][138][139].…”

Section: Toxicity Of the Alloying Elements In Mg-zn-cmentioning

confidence: 99%

Bio-inspired biomaterial Mg–Zn–Ca: a review of the main mechanical and biological properties of Mg-based alloys

Becerra¹,

Rodríguez²,

Esquivel-Solís³

et al. 2020

Biomed. Phys. Eng. Express

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The toxicity of alloying elements in magnesium alloys used for biomedical purposes is an interesting and innovative subject, due to the great technological advances that would result from their application in medical devices (MDs) in traumatology. Recently promising results have been published regarding the rates of degradation and mechanical integrity that can support Mg alloys; this has led to an interest in understanding the toxicological features of these emerging biomaterials. The growing interest of different segments of the MD market has increased the determination of different research groups to clarify the behavior of alloying elements in vivo. This review covers the influence of the alloying elements on the body, the toxicity of the elements in Mg-Zn-Ca, as well as the mechanical properties, degradation, processes of obtaining the alloy, medical approaches and future perspectives on the use of the Mg in the manufacture of MDs for various medical applications.

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Section: Toxicity Of the Alloying Elements In Mg-zn-cmentioning

confidence: 99%

Bio-inspired biomaterial Mg–Zn–Ca: a review of the main mechanical and biological properties of Mg-based alloys

Becerra¹,

Rodríguez²,

Esquivel-Solís³

et al. 2020

Biomed. Phys. Eng. Express

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“…Since contaminants like oxygen and hydrogen are capable of escalating atomic packing density, glass forming ability (GFA) or amorphisation of a system has been conceived to improve from their introduction. There are ample reports suggesting how intakes of oxygen improve , and contrarily widen , factors that enhance amorphisation propensity [31,32]. Fe–Cr, Al–Ti, Ni–Nb [2] etc.…”

Section: Influence On the Propertiesmentioning

confidence: 99%

Contamination in wet-ball milling

Sarwat

2017

Powder Metallurgy

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The top-down approach of mechanical ball milling/alloying is the most commonly adopted route towards materials development. It is however surprising that despite the large impact that it has, process induced contamination (particularly from process control agents (PCAs)), remains less studied and often ignored. In this article, a theory that explains the cause of PCA-induced contamination is postulated. An attempt is then made through reviewing the literature to reason why there is ignorance. Influence of contamination on material's properties is then reviewed; revealing the dubious behaviour of contaminants. No first-hand experimental data are presented. The article is written with the interest and objective to create awareness on contamination, which remains highly under appreciated.

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“…The motivation for this study is to prepare metal matrix composites based on Mg-Zn-Ca glass forming alloy as the matrix and HA p as reinforcement. According to the authors' previous work on thermodynamic predictions of glass forming alloy based on G CE and P HHS parameters [9,10], Mg 66 Zn 30 Ca 4 composition has shown good glass forming ability. Hence, this alloy has been chosen as the matrix material.…”

Section: Introductionmentioning

confidence: 98%

Hydroxyapatite particle (HAp) reinforced biodegradable Mg-Zn-Ca metallic glass composite for bio-implant applications

Ramya¹,

Pillai²,

Selvakumar³

et al. 2018

Biomed. Phys. Eng. Express

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Biodegradable materials suitable for medical application with improved corrosion resistance and good biocompatibility along with enhanced mechanical properties are the need of the hour. Such properties in Mg-Zn-Ca glass forming alloy used as a metal matrix can be obtained through proper reinforcement. Hydroxyapatite (HA) which is a mineral constituent of natural bone has a wide range of medical applications because of its excellent biocompatibility and bioactivity. They promote bone cell adhesion and osteoblastic proliferation. In the present study, the influence of HA particle (HA p ) addition on the glass forming ability, corrosion resistance, mechanical behavior and cytocompatibility of Mg 66 Zn 30 Ca 4 alloy has been investigated. The addition of HA p decreases the glass forming ability of Mg 66 Zn 30 Ca 4 alloy. Significant improvement in corrosion resistance along with marginal improvement in mechanical properties is observed upon addition of HA p . Moreover, HA p incorporation into Mg 66 Zn 30 Ca 4 metallic glass has enhanced the cell viability and cell adhesion of human osteoblast-like cell (MG63) cells, complementing the excellent biocompatibility, bioactivity, osteoconductivity and osteoinductivity of hydroxyapatite mineral due to its biomimetic nature. HA reinforcement is not only a promising approach to improve the corrosion resistance, but also offers a biomimitic interface to enhance osseointegration and overall competence of orthopedic implants.

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A new thermodynamic parameter GCE for identification of glass forming compositions

Cited by 11 publications

References 22 publications

Bio-inspired biomaterial Mg–Zn–Ca: a review of the main mechanical and biological properties of Mg-based alloys

Bio-inspired biomaterial Mg–Zn–Ca: a review of the main mechanical and biological properties of Mg-based alloys

Contamination in wet-ball milling

Hydroxyapatite particle (HAp) reinforced biodegradable Mg-Zn-Ca metallic glass composite for bio-implant applications

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