20Jan 2017

CHARACTERIZATION OF SOLIDUS STRUCTURES OF COMPOSITE MATERIALS.

  • ISCAS Institute of Solid State and Materials Science, Jammu University Campus, Jammu-180 006, India
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Growth habits of composite materials from their respective molten states are established by scanning electron microscope and X-ray diffraction studies affirm composite alloys to be a terminal solidus solution of physically distinct and mechanical separable phases. Thermal stability of composite phases is ascertained using DSC. The solidification pattern of the individual constituent phases from the melt is comprehensively viewed and scanned after carefully studying the growth characteristics under scanning electron microscope (SEM). The microscopic observations reveal two types of growth habits of the homogeneous phases; one is edge-wise comprises of the round growth front lamellae distinctively termed nonfaceted lamellae and other is side-wise comprising of sharp growth front lamellae purposefully mentioned faceted lamellae. Evidentially, physical understanding of the single phase solidification predicts that the growth habits of combined constituent phases in binary, ternary and quaternary composite materials are discovered a composite of practically distinct and observable lamellae exploring three possible categories, namely nonfaceted-nonfaceted (nf-nf), faceted-faceted (f-f) and nonfaceted-faceted (nf-f).The classification of composite materials by growth of the lamellae of the homogenous phase in combination, verifies the J. D. Hunt and K. A. Jackson hypothesis.

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[Parshotam Lal. (2017); CHARACTERIZATION OF SOLIDUS STRUCTURES OF COMPOSITE MATERIALS. Int. J. of Adv. Res. 5 (Jan). 57-65] (ISSN 2320-5407). www.journalijar.com

Dr. Parshotam Lal
Nil

DOI:

Article DOI: 10.21474/IJAR01/2720      
DOI URL: http://dx.doi.org/10.21474/IJAR01/2720

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