Metal Coupon Testing in an Axial Rotating Detonation Engine for Wear Characterization

Metal Coupon Testing in an Axial Rotating Detonation Engine for Wear Characterization

Bibliographic Details
Main Author: North, Gary S.
Language:English
Published: Wright State University / OhioLINK 2020
Subjects:
Aerospace Materials
Metallurgy
Materials Science
Aerospace Engineering
RDE
Rotating Detonation Engine
Ablation
Inconel 625
304 Stainless
microstructure
Online Access:http://rave.ohiolink.edu/etdc/view?acc_num=wright1588770787704665
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spelling ndltd-OhioLink-oai-etd.ohiolink.edu-wright15887707877046652021-08-03T07:14:50Z Metal Coupon Testing in an Axial Rotating Detonation Engine for Wear Characterization North, Gary S. Aerospace Materials Metallurgy Materials Science Aerospace Engineering RDE Rotating Detonation Engine Ablation Inconel 625 304 Stainless microstructure Rotating Detonation Engines (RDE) are being explored as a possible way to getbetter fuel efficiency for turbine engines than is otherwise possible. The walls of the RDEare subjected to cyclic thermal and mechanical shock loading at rates of approximately 3KHz, with gas temperatures as high as 2976 K. This project performed testing withInconel 625 and 304 stainless steel coupons in an RDE outer body to attempt to measurematerial ablation rates. Significant microstructural changes were observed to includegrain growth in both alloys, carbide formation and grain boundary melting in Inconel,and formation of delta ferrite in the stainless steel. The testing performed in this studywas unable to generate a wear rate for either material. The Inconel coupons exhibitedthreshold behavior, with no measurable material loss below a critical temperature, andnear instantaneous melting and failure above that temperature. The 304 survived the mostaggressive test conditions the facility could produce without measurable ablation. Longerduration testing is required in order to determine a damage rate for these materials undera detonative environment. 2020-05-22 English text Wright State University / OhioLINK http://rave.ohiolink.edu/etdc/view?acc_num=wright1588770787704665 http://rave.ohiolink.edu/etdc/view?acc_num=wright1588770787704665 unrestricted This thesis or dissertation is protected by copyright: all rights reserved. It may not be copied or redistributed beyond the terms of applicable copyright laws.
collection NDLTD
language English
sources NDLTD
topic Aerospace Materials
Metallurgy
Materials Science
Aerospace Engineering
RDE
Rotating Detonation Engine
Ablation
Inconel 625
304 Stainless
microstructure
spellingShingle Aerospace Materials
Metallurgy
Materials Science
Aerospace Engineering
RDE
Rotating Detonation Engine
Ablation
Inconel 625
304 Stainless
microstructure

North, Gary S.
Metal Coupon Testing in an Axial Rotating Detonation Engine for Wear Characterization
author North, Gary S.
author_facet North, Gary S.
author_sort North, Gary S.
title Metal Coupon Testing in an Axial Rotating Detonation Engine for Wear Characterization
title_short Metal Coupon Testing in an Axial Rotating Detonation Engine for Wear Characterization
title_full Metal Coupon Testing in an Axial Rotating Detonation Engine for Wear Characterization
title_fullStr Metal Coupon Testing in an Axial Rotating Detonation Engine for Wear Characterization
title_full_unstemmed Metal Coupon Testing in an Axial Rotating Detonation Engine for Wear Characterization
title_sort metal coupon testing in an axial rotating detonation engine for wear characterization
publisher Wright State University / OhioLINK
publishDate 2020
url http://rave.ohiolink.edu/etdc/view?acc_num=wright1588770787704665
work_keys_str_mv AT northgarys metalcoupontestinginanaxialrotatingdetonationengineforwearcharacterization
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