Results 251 to 260 of about 8,285 (310)
Some of the next articles are maybe not open access.
Creep-Rupture and Gradient Creep-Rupture Testing of Silicon Nitride
Mechanical Testing of Ceramics and Ceramic Composites, 1994Abstract The creep-rupture testing of monolithic ceramics has been an area of increasing importance with the introduction of advanced ceramics into heat engine applications. The need for true tensile loading has been highlighted by the observations that creep behavior can differ between tension and compression. Typical four point bend
Charles S. White +2 more
openaire +1 more source
A study of creep and creep rupture of polycarbonate
Polymer Engineering & Science, 1995Abstract The creep characteristics of polycarbonate at elevated temperatures are investigated. The onset of glass transition temperature of polycarbonate is determined. An Arrhenius type relationship is used to describe the creep process and the concept of property retention index as applied to creep is discussed.
Sudarsana R. Challa +1 more
openaire +1 more source
Creep and Creep Rupture of Metallic Composites
Journal of Engineering Mechanics, 1992A creep and creep damage theory is presented for metallic composites with strong fibers. Application is to reinforced structures in which the fiber orientation may vary throughout but a distinct fiber direction can be identified locally (local transverse isotropy).
D. N. Robinson +2 more
openaire +1 more source
Kinetics of Creep and Creep Rupture
1968In the development of the modern mechanics of solids there are two distinct lines, not opposite but different. One of them is a trend to deduce the constitutive equations for different kinds of particular solids starting from few very general and very universal principles governing the behaviour of any media which might exist in reality or might be ...
openaire +1 more source
Creep and Creep Rupture of Structural Ceramics
1991Structural ceramics are often two phase materials, in which rigid refractory grains, fibers, or whiskers are bonded by a less refractory matrix. At elevated temperatures, creep occurs by deformation of the matrix, resulting in the localization of stresses along grain boundaries, followed by cavitation and eventually by structural failure of the ceramic.
S. M. Wiederhorn +2 more
openaire +1 more source
On the creep rupture of structures
Journal of the Mechanics and Physics of Solids, 1972Abstract A study is made of the failure times of structures made of materials which suffer creep deformation and which crack according to the Kachanov law in which strain and damage rates are given in terms of the existing stress and state of damage.
Martin, J. B., Leckie, F. A.
openaire +1 more source
2009
Abstract This chapter focuses on creep-rupture failure, or more precisely, the time required for such a failure to occur at a given stress and temperature. It begins with a review of creep-rupture phenomena and the various ways creep-rupture data are presented and analyzed.
openaire +1 more source
Abstract This chapter focuses on creep-rupture failure, or more precisely, the time required for such a failure to occur at a given stress and temperature. It begins with a review of creep-rupture phenomena and the various ways creep-rupture data are presented and analyzed.
openaire +1 more source
Creep Damage and Creep Rupture of Metals
1990The aim of this note is to present the theoretical model of a creep damage and creep rupture of metals. Constitutive equations describing these phenomena were formulated assuming that the tertiary creep is a result of stiffness and strength reduction of a material due to crack and void growth. A current state of the deteriorated material microstructure
Andrzej Litewka, Zdzisław Lis
openaire +1 more source
Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences, 1974
Abstract A study is made of the failure times of structural components which operate at temperatures sufficiently high to cause material deterioration due to creep rupture. Expressions are derived which give lower bounds on failure times and which take into consideration the different stress criteria known to affect rupture mechanisms.
Leckie, F. A., Hayhurst, D. R.
openaire +2 more sources
Abstract A study is made of the failure times of structural components which operate at temperatures sufficiently high to cause material deterioration due to creep rupture. Expressions are derived which give lower bounds on failure times and which take into consideration the different stress criteria known to affect rupture mechanisms.
Leckie, F. A., Hayhurst, D. R.
openaire +2 more sources
Creep Rupture in Polycrystalline Materials
2004To gain efficiency in technological processes, such as energy transformations (power plants, jet engines) and (petro)chemical reactions, the temperature should be as high as possible. Therefore, advanced, high-temperature materials are used. Their safe operation in such high-temperature environments, however, is severely limited by creep fracture ...
openaire +2 more sources