Experimental Investigations into Abrasive Waterjet Machining of Carbon Fiber Reinforced Plastic

Author:

Unde Prasad D.1,Gayakwad M. D.1,Patil N. G.1,Pawade R. S.2,Thakur D. G.3,Brahmankar P. K.2

Affiliation:

1. Marathwada Institute of Technology, Aurangabad 431028, India

2. Dr. Babasaheb Ambedkar Technological University, Lonere 402103, India

3. Defence Institute of Advanced Technology, Pune 411025, India

Abstract

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.

Funder

Indutech Composites Tech. Pvt. Ltd.

Publisher

Hindawi Limited

Subject

General Medicine

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