..., data thought to be hot/wet test data may actually be hot/dry test data. Such a discrepancy appears to have significant ramifications according to this program's test results. composite materials graphite-polyimide composites mechanical properties moisture content high temperature tests...

...-cm-diameter semicircular notch at each free edge, centered along the gage length. This polished notch facilitates the observation of the initiation of damage in the form of in-plane fiber microbuckling into the notch. High-temperature tests are conducted using a controlled forced-air heat gun rather...

... manufacturers. lubricating oil viscosity viscometer standards shear rate high temperature tests capillary specification John M. Demko 1 Development of an ASTM Standard Test Method for Measuring Engine Oil Viscosity Using Capillary Viscometers at HighTemperature and High-Shear Rates REFERENCE...

..., that is, K Ic decreases with increasing combinations of fluence, creep, and helium content. These results also suggest that irradiation creep has less effect on reducing K Ic than has been suggested previously. radiation fracture toughness three-point bend specimens high temperature tests J...

...-carbon dioxide-water (H 2 S-CO 2 -H 2 O)) are described. Use of the technique to determine H 2 S-induced SCC susceptibility of various steels as a function of temperature is shown. stress corrosion cracking strain rate high temperature tests high pressure tests multispecimen test facility low...

... high temperature tests stress strain diagrams stainless steel evaluation R. W. Swindeman,^ W. J. McAfee^ and V. K. Sikka^ Product Form Variability in the Mechanical Behavior of Type 304 Stainless Steel at Room Temperature and 593X (1100°F)* REFERENCE: Swindeman, R. W., McAfee, W. J. and Sikka, V...

.... fractures (materials) polycrystalline graphite composite materials graphite composites high temperature tests flexural strength fractography crack propagation L. R. Hettche ^ and T. R. Tucker ^ Fracture Toughness of ATJ-S Graphite and CVD Carbon-Carbon Composites at Elevated Temperatures...

.... The calculations of crack growth could also be improved through detailed studies of material properties and interactions among stress, temperature, and time as appropriate for the real-time operating conditions of a supersonic transport airplane. fatigue (materials) stress cycle high temperature tests...

... found to exhibit mixed mode fracture having varying amounts of intergranular separation, dimple formation, and cleavage, depending on exposure time. fractography fatigue (materials) tensile properties carbon steels high temperature tests decarburizing hydrogen attack H. G. Nelson^ andR. D...

... distributions. mechanical tests high temperature tests strain measurement crack propagation strain concentration deformations M. J. Manjoine^ Determination of Plastic or Creep Strains by Grids REFERENCE: Manjoine, M. J., "Determination of Plastic or Creep Strains by Grids," Recent Developments...

... percent) Type 304 stainless steel was only slightly reduced at 800°F by irradiation, the resistance at 1100°F was reduced markedly. fatigue (materials) crack propagation irradiation radiation high temperature tests stainless steels welded joints evaluation P. Shahinian 1 Fatigue Crack...

... higher and lower environmental temperatures are anticipated. Insulation performance must meet these demands, at the same time avoiding excessive weight. thermal insulation spacecraft performance predictions tests discontinuities calorimeters high temperature tests cryogenics heat...

... microporous silica has the lowest thermal conductivity. A practical device utilizing these data has been built and tested. thermal insulation heat transmission thermal conductivity high temperature tests microporous materials D. J. Dickson 1 Evacuated Load Bearing Thermal Insulation up to 800°C...

... and decarburization showed a drop of 24 percent in fatigue strength. Compressively stressed Stellite 6 faced valves showed ten times improvement in thermal fatigue life. fatigue (materials) fatigue tests high temperature tests failure valves coatings corrosion fatigue surface properties stress E. T...

.... fatigue (materials) acoustic environments computerized simulation fatigue tests control equipment structural analysis temperature measurement test facilities environmental tests high temperature tests thermal environments thermal cycling tests automatic control digital computers digital...

... equipment fatigue tests high temperature tests fatigue (materials) aluminum alloys chemical machining heat resistant alloys surface hardening oriented fiber composites cermets aerospace engineering G. P. Vidal 1 and P. L. Galmard I Test Results of Fatigue at Elevated Temperatures...

... effects high temperature tests tensile properties damage irradiation fatigue (materials) tension tests creep tests fatigue tests C. R. Brinkman,^ G. E. Korth,^ and J. M. Beeston'^ Influence of Irradiation on the Creep/Fatigue Behavior of Several Austenitic Stainless Steels and Incoloy 800...

... piezoelectric transducers acoustic surveillance liquid metal cooled reactors power reactors (nuclear) high temperature tests ultrasonic tests niobates cracking (fracturing) plastic deformation cavitation noise elastic waves crack initiation crack propagation T. T. Anderson,' A. P. Gavin,' J. R...

.... Preliminary results have permitted statistical evaluation of interlaboratory variability and of the significance of some testing and material variables which affect creep results. creep tests high temperature tests creep properties creep rupture strength mechanical properties nickel alloys...

... (6.1 K) and 18 F (10 K) for the single-use thermocouples. temperature measurement temperature measuring instruments high temperature tests tension tests thermocouples thermocouple pyrometers nickel alloys nickel-chromium alloys stainless steels J. L. Korns 1 Interlaboratory Program...