Experimental investigations on mechanical properties of Al-B4C metal matrix composites

2021 ◽  
Author(s):  
S. Sathiyaraj ◽  
A. Senthilkumar ◽  
P. Muhammed Ameen ◽  
Rhitwik Sundar ◽  
Vishnu Saseendran
Keyword(s):  
Mechanical Properties ◽  
Metal Matrix Composites ◽  
Metal Matrix ◽  
Experimental Investigations ◽  
Matrix Composites

scholarly journals Investigations into Deformation Characteristics during Open-Die Forging of SiCp Reinforced Aluminium Metal Matrix Composites

2013 ◽  
Vol 2013 ◽  
pp. 1-14 ◽  
Author(s):  
Deep Verma ◽  
P. Chandrasekhar ◽  
S. Singh ◽  
S. Kar
Keyword(s):  
Finite Element ◽  
Metal Matrix Composites ◽  
Metal Matrix ◽  
Experimental Investigations ◽  
Matrix Composites ◽  
Deformation Characteristics ◽  
Die Forging ◽  
Open Die Forging ◽  
Silicon Carbide Particulate ◽  
Aluminium Metal

The deformation characteristics during open-die forging of silicon carbide particulate reinforced aluminium metal matrix composites (SiCp AMC) at cold conditions are investigated. The material was fabricated by liquid stir casting method in which preheated SiC particles were mixed with molten LM6 aluminium casting alloy and casted in the silicon mould. Finally, preforms obtained were machined in required dimensions. Two separate cases of deformation, that is, open-die forging of solid disc and solid rectangular preforms, were considered. Both upper bound theoretical analysis and experimental investigations were performed followed by finite element simulation using DEFORM, considering composite interfacial friction law, barreling of preform vertical sides, and inertia effects, that is, effect of die velocity on various deformation characteristics like effective stress, strain, strain rate, forging load, energy dissipations, and height reduction. Results have been presented graphically and critically investigated to evaluate the concurrence among theoretical, experimental, and finite element based computational findings.

scholarly journals Experimental Investigations into Abrasive Waterjet Machining of Carbon Fiber Reinforced Plastic

2015 ◽  
Vol 2015 ◽  
pp. 1-9 ◽  
Author(s):  
Prasad D. Unde ◽  
M. D. Gayakwad ◽  
N. G. Patil ◽  
R. S. Pawade ◽  
D. G. Thakur ◽  
...  
Keyword(s):  
Material Removal Rate ◽  
Fiber Orientation ◽  
Material Removal ◽  
Removal Rate ◽  
Machining Process ◽  
Abrasive Waterjet ◽  
Experimental Investigations ◽  
Abrasive Waterjet Machining ◽  
Kerf Taper ◽  
Waterjet Machining

Abrasive waterjet machining (AWJM) is an emerging machining process in which the material removal takes place due to abrasion. A stream of abrasive particles mixed with filtered water is subjected to the work surface with high velocity. The present study is focused on the experimental research and evaluation of the abrasive waterjet machining process in order to evaluate the technological factors affecting the machining quality of CFRP laminate using response surface methodology. The standoff distance, feed rate, and jet pressure were found to affect kerf taper, delamination, material removal rate, and surface roughness. The material related parameter, orientation of fiber, has been also found to affect the machining performance. The kerf taper was found to be 0.029 for 45° fiber orientation whereas it was 0.036 and 0.038 for 60° and 90°, respectively. The material removal rate is 18.95 mm3/sec for 45° fiber orientation compared to 18.26 mm3/sec for 60° and 17.4 mm3/sec for 90° fiber orientation. The Ra value for 45° fiber orientation is 4.911 µm and for 60° and 90° fiber orientation it is 4.927 µm and 4.974 µm, respectively. Delamination factor is found to be more for 45° fiber orientation, that is, 2.238, but for 60° and 90° it is 2.029 and 2.196, respectively.

Machinability of High Temperature Composites by Abrasive Waterjet

1990 ◽  
Vol 112 (4) ◽  
pp. 381-386 ◽  
Author(s):  
G. Hamatani ◽  
M. Ramulu
Keyword(s):  
Ceramic Matrix Composites ◽  
Surface Characteristics ◽  
Abrasive Waterjet ◽  
Matrix Composites ◽  
Machining Performance ◽  
Machined Surface ◽  
Abrasive Waterjet Machining ◽  
Waterjet Machining ◽  
Cut Quality ◽  
Al Matrix Composites

An experimental investigation was conducted on the machinability of particulate reinforced ceramic TiB2/SiC and metal SiC/Al matrix composites by an abrasive water jet. Both piercing and slot cutting experiments were conducted to determine the influence abrasive waterjet machining has on the material. Machining performance was reported by both cut quality as measured by taper and machined surface characteristics. Based on these preliminary experiments, abrasive waterjet machining seems to be a satisfactory machining method for both metal and ceramic matrix composites.

Problems and Promises of Metal Matrix Composites

2010 ◽  
Vol 638-642 ◽  
pp. 154-159 ◽  
Author(s):  
Roland Taillard
Keyword(s):  
Plastic Deformation ◽  
Severe Plastic Deformation ◽  
Metal Matrix Composites ◽  
Structural Properties ◽  
Continuous Improvement ◽  
Metal Matrix ◽  
Fabrication Process ◽  
Experimental Investigations ◽  
Matrix Composites

The field of application of composites is ever-growing because of their unrivalled combinations of functional and structural properties. Such associations seem the more improvable as there are at once manifold possibilities to modify the architecture of composites, their route of elaboration, an ever-increasing scientific potency for both experimental investigations and modelling, and always more demanding materials performances in projects. This presentation wants to illustrate all these aspects by the example of metal matrix composites (MMCs) mostly elaborated by severe plastic deformation. Emphasis is given to results dealing with the effects of composite design and conditions of metalworking on the success of the fabrication process that depends on the uniformity of deformation and/or on the quality of the interfaces. At last, the consequences of all these data, and the need of complementary work, for the continuous improvement of the properties MMCs are delineated.

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