NDLI: Investigation on the Effect of Reinforcement Particle Size on the Mechanical Properties of the Cold Sprayed Ni-Ni$

Content Provider	Springer Nature Link
Author	Chandanayaka, Tharaka Azarmi, Fardad
Copyright Year	2014
Abstract	In the present study, cold spraying technique was used to fabricate a metal matrix composite (MMC) that consists of Ni matrix and 20 vol.% Ni$_{3}$Al particles at two different particle sizes as reinforcement. This study intends to investigate the effect of reinforcement particle size on microstructural and mechanical properties of cold sprayed MMCs. Two different Ni$_{3}$Al powders with nominal particle size of −45 to +5 and +45 to 100 μm were used as reinforcement in this study. Cold sprayed Ni-Ni$_{3}$Al samples were subjected to the microstructural observation and characterization prior to any mechanical testing. Then, samples were tested using nano-indentation, Knoop hardness, Vickers hardness, and Resonance frequency to evaluate their mechanical properties. No significant changes were observed in microstructural characteristics due to different particle sizes. The results obtained from a variety of mechanical testings indicated that the increasing reinforcement particle size resulted in the slight reduction of mechanical properties such as elastic modulus and hardness in cold sprayed MMCs. The mechanical interlock between deposited particles defines the bonding strength in cold sprayed samples. Small size particles have a higher velocity and impact resulting in stronger interlock between deformed particles.
Starting Page	1815
Ending Page	1822
Page Count	8
File Format	PDF
ISSN	10599495
Journal	Journal of Materials Engineering and Performance
Volume Number	23
Issue Number	5
e-ISSN	15441024
Language	English
Publisher	Springer US
Publisher Date	2014-03-20
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	mechanical properties mechanical testing metal matrix composites (MMCs) microstructure Characterization and Evaluation of Materials Tribology, Corrosion and Coatings Quality Control, Reliability, Safety and Risk Engineering Design
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science Mechanical Engineering

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