نتایج جستجو برای: composites processing

تعداد نتایج: 543023  

2016
Cristina Arévalo Isabel Montealegre-Meléndez Enrique Ariza Michael Kitzmantel Cristina Rubio-Escudero Erich Neubauer

This research is focused on the influence of processing temperature on titanium matrix composites reinforced through Ti, Al, and B₄C reactions. In order to investigate the effect of Ti-Al based intermetallic compounds on the properties of the composites, aluminum powder was incorporated into the starting materials. In this way, in situ TixAly were expected to form as well as TiB and TiC. The sp...

2003
G. Popov

Prime task for orthopedists and traumatologists is the development of new artificial materials for replacement of osseous tissue and cartilage defects, for functional rehabilitation of the injured locomotorium tissue after traumatic fractures and surgical interventions. Electron beam (EB) processing of polymer composites with bioactive ceramics was used for manufacture of new artificial materia...

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 ...

Journal: :Journal of nanoscience and nanotechnology 2011
Z Y Zhao N D Khatri K Nguyen S Q Song L Sun

Carbon nanofiber (CNF) reinforced elastomer composites with light weight, sustainability of large deformation, chemical stability, corrosion and fatigue resistance, and vibration and noise reduction capability can have positive impact on a wide range of applications. However, this type of composite is still a under studied research area due to the difficulties in material handling and processin...

2016
Shijo Thomas V Umasankar

Light weight materials coupled to the need for cost-effective processing have combined to create a significant opportunity for aluminium powder metallurgy as its increasing interest. Aluminium alloy (AA 2219) metal matrix composite reinforced with multi walled carbon nanotube (MWCNT) produced by powder metallurgy (P/M) technique was analysed and CNTs dispersion were traced. The micro hardness a...

2007
B. Alcock N. O. Cabrera C. T. Reynolds L. E. Govaert T. Peijs

The creation of highly oriented, co-extruded polypropylene (PP) tapes allows the production of recyclable ‘‘all-polypropylene’’ (allPP) composites, with a large temperature processing window and a high volume fraction of highly oriented PP (>90%). The wholly thermoplastic nature of these ‘self-reinforced’ composites implies that the mechanical performance may vary with temperature. This paper d...

2017
Sida Luo Yong Wang Guantao Wang Kan Wang Zhibin Wang Chuck Zhang Ben Wang Yun Luo Liuhe Li Tao Liu

The next-generation of hierarchical composites needs to have built-in functionality to continually monitor and diagnose their own health states. This paper includes a novel strategy for in-situ monitoring the processing stages of composites by co-braiding CNT-enabled fiber sensors into the reinforcing fiber fabrics. This would present a tremendous improvement over the present methods that exces...

2011
T. Hasan V. Scardaci P. H. Tan F. Bonaccorso A. G. Rozhin Z. Sun

Polymer composites are an attractive near-term means to exploit the unique properties of single wall carbon nanotubes and graphene. This is particularly true for composites aimed at photonic and optoelectronic applications, where a number of devices have already been demonstrated. These include transparent conductors, saturable absorbers, electroluminescent and photovoltaic devices. Here, we pr...

2016
Matheus Poletto

The usage of natural fibers on the composites development has grown rapidly in the recent years due to the fibers plentiful availability, renewable source, low density and biodegradability. However, there are some drawbacks, for instance, the fiber dispersion on a polyolefin matrix. In this work, the influence of processing speed on the mechanical and dynamic mechanical properties of polystyren...

2011
Jonny J. Blaker Koon-Yang Lee Alexander Bismarck

Recent interest in the utilisation of greener materials has reinitiated the interest in natural fibres and/or fibrils as reinforcement for polymers. However, such bio-based composites often exhibit properties that fall short of expectations due to (i) inadequate processing conditions, resulting in filler agglomeration and poor filler dispersion within the matrix, (ii) variations in natural fibr...

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