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Title: Hostile environmental conditions facing candidate alloys for the automotive Stirling engine

Abstract

A materials research program is underway at NASA Lewis Research Center in support of the DOE/NASA Automotive Stirling Engine Project. The program focuses on the hot heater head of the engine including the heater head tubes, cylinders, and regenerator housings, which are considered to be the most critical components from a materials viewpoint. The specific areas of investigation in the progam involve hydrogen permeability testing, doping of the hydrogen working fluid to reduce permeability rates, oxidation/corrosion studies, creep-rupture evaluation, and assessing effects of hydrogen environment on mechanical properties. Recent results in each of the aforementioned areas of research are described. Special emphasis is placed on the materials challenges that result from the use of hydrogen as the working fluid in this potential alternative engine to today's internal combustion engines.

Authors:
Publication Date:
Research Org.:
National Aeronautics and Space Administration, Cleveland, OH (USA). Lewis Research Center
OSTI Identifier:
6326589
Report Number(s):
DOE/NASA/51040-29; CONF-810913-6
ON: DE81025915
DOE Contract Number:  
AI01-77CS51040
Resource Type:
Technical Report
Resource Relation:
Conference: International conference on environmental degradation of engineering materials, Blacksburg, VA, USA, 21 Sep 1981
Country of Publication:
United States
Language:
English
Subject:
33 ADVANCED PROPULSION SYSTEMS; 36 MATERIALS SCIENCE; AUTOMOBILES; STIRLING ENGINES; COBALT BASE ALLOYS; MECHANICAL PROPERTIES; OXIDATION; INCONEL 718; PERMEABILITY; IRON BASE ALLOYS; NICKEL BASE ALLOYS; MATERIALS TESTING; AGING; EXPERIMENTAL DATA; HYDROGEN; ALLOYS; CHEMICAL REACTIONS; CHROMIUM ALLOYS; COBALT ALLOYS; DATA; ELEMENTS; ENGINES; HEAT ENGINES; INCONEL ALLOYS; INFORMATION; IRON ALLOYS; MOLYBDENUM ALLOYS; NICKEL ALLOYS; NIOBIUM ALLOYS; NONMETALS; NUMERICAL DATA; TESTING; VEHICLES; 330201* - External Combustion Engines- Stirling Cycle; 360100 - Metals & Alloys

Citation Formats

Stephens, J R. Hostile environmental conditions facing candidate alloys for the automotive Stirling engine. United States: N. p., 1981. Web.
Stephens, J R. Hostile environmental conditions facing candidate alloys for the automotive Stirling engine. United States.
Stephens, J R. 1981. "Hostile environmental conditions facing candidate alloys for the automotive Stirling engine". United States.
@article{osti_6326589,
title = {Hostile environmental conditions facing candidate alloys for the automotive Stirling engine},
author = {Stephens, J R},
abstractNote = {A materials research program is underway at NASA Lewis Research Center in support of the DOE/NASA Automotive Stirling Engine Project. The program focuses on the hot heater head of the engine including the heater head tubes, cylinders, and regenerator housings, which are considered to be the most critical components from a materials viewpoint. The specific areas of investigation in the progam involve hydrogen permeability testing, doping of the hydrogen working fluid to reduce permeability rates, oxidation/corrosion studies, creep-rupture evaluation, and assessing effects of hydrogen environment on mechanical properties. Recent results in each of the aforementioned areas of research are described. Special emphasis is placed on the materials challenges that result from the use of hydrogen as the working fluid in this potential alternative engine to today's internal combustion engines.},
doi = {},
url = {https://www.osti.gov/biblio/6326589}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Jan 01 00:00:00 EST 1981},
month = {Thu Jan 01 00:00:00 EST 1981}
}

Technical Report:
Other availability
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