Progress in NASA programs for development of high temperature alloys for advanced engines
Development of high temperature alloys, dispersion strengthened materials, composites, and coatings for aircraft gas turbine engines
Freche, J. C.↗
Engineering topics
Freche, J. C.
Publications and source records attributed to Freche, J. C..
A high strength nickel-base alloy with improved oxidation resistance up to 2200 deg F.
High strength nickel base alloy with improved oxidation resistance up to 2200 degrees F for applicability to gas turbine engine components
Freche, J. C.↗
Application of a double linear damage rule to cumulative fatigue
Cumulative metal fatigue damage predicted by double linear damage rule with formulas for crack formation and propagation
DAMAGE↗
A high strength nickel-base alloy with improved oxidation resistance up to 2200 deg F.
High strength nickel base alloy with improved oxidation resistance up to 2200 degrees F for applicability to gas turbine engine components
OXIDATION RESISTANCE↗
Application of a double linear damage rule to cumulative fatigue.
Double linear damage rule for predicting cumulative fatigue damage, crack initiation and propagation and fatigue life, noting improved accuracy
CRACK FORMATION↗
High temperature cobalt-base alloy Patent
High temperature cobalt-base alloy resistant to corrosion by liquid metals and to sublimation in vacuum environment
Ashbrook, R. L.↗
Nickel-base alloy containing Mo-W-Al-Cr- Ta-Zr-C-Nb-B Patent
Nickel base alloy with resistance to oxidation at high temperatures and superior stress-rupture properties
Freche, J. C.↗
High temperature cobalt-base alloy Patent
High strength, corrosion resistant cobalt-based alloys for aerospace structures
Ashbrook, R. L.↗
Investigation of columbium-modified NASA TAZ-8 superalloy
NASA TAZ-8 superalloy modified with both niobium and boron to improve oxidation resistance and retain workability and high temperature strength characteristics in aerospace applications
OXIDATION RESISTANCE↗
Application of a double linear damage rule to cumulative fatigue.
Double linear damage rule used in conjunction with crack initiation and propagation equations, applied to cumulative fatigue damage
DAMAGE↗
Fatigue cracks detected and measured without test interruption
Ultrasonic flaw detector records cracks in materials undergoing fatigue tests, without interfering with test progress. The detector contains modified transducers clamped to the specimens, and an oscillograph readout.
Freche, J. C.↗
Nickel-base superalloys developed for high- temperature applications
Class of nickel-base superalloys containing varying percentages of alloying elements have good workability and high strength at elevated temperatures /1500 to 2200 degrees F/.
Freche, J. C.↗
Performance of rocket nozzle materials with several solid propellants
Erosion resistance and thermal stress cracking tests of rocket nozzle materials with solid propellants
THERMAL STRESS↗
Application of ultrasonics to detection of fatigue cracks.
Formation of fatigue cracks in center notched sheet specimens of various metals ultrasonically tested for axial tensile fatigue
ULTRASONIC TESTING↗
Application of a double linear damage rule to cumulative fatigue
Steel fatigue tests for evaluating fatigue life prediction based on double linear damage rule for crack formation and propagation
STEEL↗
A high strength nickel base alloy with improved oxidation resistance up to 2200 deg F
High tensile strength nickel base alloy with improved oxidation resistance up to 2200 degrees Farenheit
OXIDATION RESISTANCE↗
Effect of variations in silicon and iron content on embrittlement of a cobalt-base alloy /l-605/
Effect of variations in silicon and iron content on embrittlement of cobalt-base alloy /L-605/
SILICON↗
Ultrasonic technique for detection and measurement of fatigue cracks
Ultrasonic system for detection and measurement of fatigue cracks in notched steel alloys
ULTRASONICS↗