Electronics Incorporated - The Shot Peener - Shot Peening Library
Title: Reintroduction of Residual Stress by Shot Peening
Author: P.Parmeswaran, S.V. Mate and M.S. Nadgir
Source: Conf Proc: ICSP & BC - 2
Publication year 2001
Document number: 2001173
Number of pages: 12
Abstract:
Hindustan Aeronautics Ltd., Aircraft Division, Nasik has been engaged in the manufacture and overhaul of Russian origin fighter aircraft for the last 35 years. As of this
date the division has manufactured and overhauled over 1700 aircraft. The division deals with advanced aircraft materials and has precision machining, heat treatment and
plating facilities and extensive facilities for non-destructive testing. The division is also one of the few centers in India which manufactures and overhauls aircraft and
helicopter landing gears. The critical components of aircraft are; load-carrying Bulkheads, Undercarriage, Wing spars, Control surfaces, Engine and Ejection system which
requires advanced technology and precision tools for their manufacture. The initial life prescribed by the manufacture for aircraft and landing gears are conservative due to
uncertainties in the design analysis and life cycle testing at Certification stage. Mid life extension is therefore given through a very cautious and sound engineering
judgement based on stress analysis, NDT and feedback received from operators.
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