Exact(7)
Elevated temperature strength, fracture behavior, and thermo-physical properties in various environments are summarized.
This paper presents some fatigue test results on motorcycle valves obtained by permanent-mould cast γ-TiAl alloy, which is an excellent alternative material for engine valves because of its low density and elevated temperature strength.
Besides the beneficial effect of lamellar microstructures in improving mechanical properties, the fracture toughness, elevated temperature strength and oxidation resistance are further enhanced by the addition of Nb (Chakravadhanula et al. 2011).
The presence of coherent γ′-Ni3Al precipitates provides the requisite elevated temperature strength and creep resistance in these alloys.
However, further improvement of the microstructural stability is desirable in order to maximize the elevated temperature strength.
AM-SC1 is a heat treatable magnesium alloy that has been specifically developed to achieve the elevated temperature strength and creep properties necessary for engine block applications.
Similar(53)
Elevated temperature decreases strength of adhesive seriously, so adhesive failure dominates.
Higher surface roughness produced a better adhesive anchorage and therefore elevated shear stress and elevated temperature lower shear strength.
Investigation of collision cross section revealed that while low ionic strength, elevated temperature and reduced solvent polarity mostly induced partial collapse in tau40 conformers, higher ionic strength led to an expansion of the molecule.
Therefore, there is a renewed interest in understanding the behavior of the pathogens in different environments of the host like low pH, elevated temperature, changes in osmotic strength, presence of cationic peptides as well as the availability of ions and nutrients.
Tests carried out were Toxicity Characteristics Leaching Procedure (TCLP), sulfate and acid attack (change in compressive strength, microstructure and weight) and elevated temperature effects (loss in compressive strength and mass as well as change in pulse velocity).
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