NASA NTRS · 20010010295
Cryogenic Model Materials
Abstract
An overview and status of current activities seeking alternatives to 200 grade 18Ni Steel CVM alloy for cryogenic wind tunnel models is presented. Specific improvements in material selection have been researched including availability, strength, fracture toughness and potential for use in transonic wind tunnel testing. Potential benefits from utilizing damage tolerant life-prediction methods, recently developed fatigue crack growth codes and upgraded NDE methods are also investigated. Two candidate alloys are identified and accepted for cryogenic/transonic wind tunnel models and hardware.
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Kimmel, W. M., Kuhn, N. S., Berry, R. F., Newman, J. A.. 2001-01-01. Cryogenic Model Materials. https://ntrs.nasa.gov/citations/20010010295
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