A review is presented in this paper on Shape Memory Polymers (SMPs) and their applications to smart, particularly textile products. Different kinds of SMPs developed by researchers around the world, characteristics of...A review is presented in this paper on Shape Memory Polymers (SMPs) and their applications to smart, particularly textile products. Different kinds of SMPs developed by researchers around the world, characteristics of SMPs and their applications, particularly to smart textiles are summarized. Current situations and potential application areas as well as future developments of smart textiles with shape memory polymers are discussed.展开更多
1 Scope This standard specifies the classification, shape and dimension, technical requirements, test methods, quality appraisal procedure, packing, marking, transportation, storage, and quality certificate of high a...1 Scope This standard specifies the classification, shape and dimension, technical requirements, test methods, quality appraisal procedure, packing, marking, transportation, storage, and quality certificate of high alumina insulating bricks.展开更多
1 Scope This standard specifies the definition, prineiple, apparatus and materials, procedure, expression of resuits and test report of determination of bulk density, apparent porosity and true porosity of dense shap...1 Scope This standard specifies the definition, prineiple, apparatus and materials, procedure, expression of resuits and test report of determination of bulk density, apparent porosity and true porosity of dense shaped refractory products.展开更多
1 Scope This standard specifies a method for the determination of the modulus of rupture of dense and insulating shaped refractory products at ambient temperature, under conditions of a constant rate of increase of s...1 Scope This standard specifies a method for the determination of the modulus of rupture of dense and insulating shaped refractory products at ambient temperature, under conditions of a constant rate of increase of stress.展开更多
1 Scope This standard covers the definition, technical requirement, apparatus, specimen, test procedure, calculation and test report on permanent linear change of shaped insulating refractory products.
Aimed at the modeling issues in design and quick processing of extruding die for special-shaped products, with the help of Conformal Mapping theory, Conformal Mapping function is determined by the given method of nume...Aimed at the modeling issues in design and quick processing of extruding die for special-shaped products, with the help of Conformal Mapping theory, Conformal Mapping function is determined by the given method of numerical trigonometric interpolation. Three-dimensional forming problems are transformed into two-dimensional problems, and mathematical model of die cavity surface is established based on different kinds of vertical curve, as well as the mathematical model of plastic flow in extruding deformation of special-shaped products gets completed. By upper bound method, both vertical curves of die cavity and its parameters are optimized. Combining the optimized model with the latest NC technology, NC Program of die cavity and its CAM can be realized. Taking the similar extrusion of square-shaped products with arc radius as instance, both metal plastic similar extrusion and die cavity optimization are carried out.展开更多
文摘A review is presented in this paper on Shape Memory Polymers (SMPs) and their applications to smart, particularly textile products. Different kinds of SMPs developed by researchers around the world, characteristics of SMPs and their applications, particularly to smart textiles are summarized. Current situations and potential application areas as well as future developments of smart textiles with shape memory polymers are discussed.
文摘1 Scope This standard specifies the classification, shape and dimension, technical requirements, test methods, quality appraisal procedure, packing, marking, transportation, storage, and quality certificate of high alumina insulating bricks.
文摘1 Scope This standard specifies the definition, prineiple, apparatus and materials, procedure, expression of resuits and test report of determination of bulk density, apparent porosity and true porosity of dense shaped refractory products.
文摘1 Scope This standard specifies a method for the determination of the modulus of rupture of dense and insulating shaped refractory products at ambient temperature, under conditions of a constant rate of increase of stress.
文摘1 Scope This standard covers the definition, technical requirement, apparatus, specimen, test procedure, calculation and test report on permanent linear change of shaped insulating refractory products.
文摘Aimed at the modeling issues in design and quick processing of extruding die for special-shaped products, with the help of Conformal Mapping theory, Conformal Mapping function is determined by the given method of numerical trigonometric interpolation. Three-dimensional forming problems are transformed into two-dimensional problems, and mathematical model of die cavity surface is established based on different kinds of vertical curve, as well as the mathematical model of plastic flow in extruding deformation of special-shaped products gets completed. By upper bound method, both vertical curves of die cavity and its parameters are optimized. Combining the optimized model with the latest NC technology, NC Program of die cavity and its CAM can be realized. Taking the similar extrusion of square-shaped products with arc radius as instance, both metal plastic similar extrusion and die cavity optimization are carried out.