نتایج جستجو برای: Metal-matrix composites (MMCs)

تعداد نتایج: 592234  

Metal matrix composite (MMC) is engineered combination of the metal (matrix) and hard particle (reinforcement) to get tailored properties. MMCs are either in use or prototyping for the space shuttle, commercial airliners, electronic substrates, automobiles, golf clubs, and a variety of other applications.In this study, carbon nanotubes (CNTs) reinforced aluminum MMCs were synthesized by DPDS fo...

Journal: :iranian journal of materials forming 2015
h. baharipour h. daneshmanesh f. ghanbari mardasi

in this research, al-ni particle composite strips are formed by accumulative roll bonding (arb) process using al strips and ni powder. the rule of arb cycles and volume percentage (vol%) of ni powder on the microstructure, wear resistance and mechanical properties of the formed composites are investigated. according to the tensile test results, the yield stress and tensile strengths of the al -...

2014
K. Prasad

The use of unconventional machining techniques in shaping metal matrix composites (MMCs) has generated considerable interest as the manufacturing of complicated die contours. Metal matrix composites are advanced materials having high specific strength, good wear resistance, and high thermal expansion coefficient. Electrical discharge machining is a best process to make complicated shapes on the...

2010
S. R. Bakshi D. Lahiri A. Agarwal

This review summarises the research work carried out in the field of carbon nanotube (CNT) metal matrix composites (MMCs). Much research has been undertaken in utilising CNTs as reinforcement for composite material. However, CNT-reinforced MMCs have received the least attention. These composites are being projected for use in structural applications for their high specific strength as well as f...

2015
Ranjit Bauri Devinder Yadav C.N. Shyam Kumar G.D. Janaki Ram

Metal matrix composites (MMCs) exhibit improved strength but suffer from low ductility. Metal particles reinforcement can be an alternative to retain the ductility in MMCs (Bauri and Yadav, 2010; Thakur and Gupta, 2007) [1,2]. However, processing such composites by conventional routes is difficult. The data presented here relates to friction stir processing (FSP) that was used to process metal ...

2006
Nikhil Gupta

Metal-matrix composites (MMCs) are used in a large number of high-performance applications. In 2004, more than 3.5 million kg of MMCs were used and the number is increasing rapidly, with an annual growth rate exceeding 6%. Most of the current MMC applications are in ground transportation, aviation, electronics, and sports industries. The initial discovery of the synthesis of cast aluminum-matri...

2013
L. Arunkumar B. K. Raghunath

Metal Matrix Composites (MMCs) are present engineering materials which have more advantages when compare to conventional materials. Magnesium based MMCs among the MMCs have become an important research subject because of their low density and high strength/weight ratio in recent years. The aim of this study is to find out the most influence factors of the electro-discharge machining (EDM) proce...

2014
Bhaskar Raju

Aluminium metal matrix composites are widely used in engineering applications, specially automobile, aerospace, marine and mineral processing industries owing to their improved wear properties compared to conventional monolithic aluminium alloys. Presently hybrid composites plays vital role in engineering application. The researchers who developed composites, were subjected to many characterisa...

Journal: :iranian journal of materials forming 2015
m. reihanian m. naseri m. jalili shahmansouri

in this study, al/al2o3 composites with two different particle sizes of 1 µm and 0.3 µm were produced via accumulative roll bonding (arb). the microstructure evolution, mechanical properties and fracture behavior of the composites were investigated. results show that higher arb cycles are required to achieve a uniform distribution of particles in the composite with 0.3 µm particle size. during ...

2015
Yu-Mei Han X.-Grant Chen

Aluminum based metal matrix composites (MMCs) have received considerable attention in the automotive, aerospace and nuclear industries. One of the main challenges using Al-based MMCs is the influence of the reinforcement particles on the corrosion resistance. In the present study, the corrosion behavior of Al-B₄C MMCs in a 3.5 wt.% NaCl solution were investigated using potentiodynamic polarizat...

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