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In engineering and materials science, a stress–strain curve for a material gives the relationship between stress and strain.It is obtained by gradually applying load to a test coupon and measuring the deformation, from which the stress and strain can be determined (see tensile testing).
Stress analysis is specifically concerned with solid objects. The study of stresses in liquids and gases is the subject of fluid mechanics.. Stress analysis adopts the macroscopic view of materials characteristic of continuum mechanics, namely that all properties of materials are homogeneous at small enough scales.
The simplest hyperelastic material model is the Saint Venant–Kirchhoff model which is just an extension of the geometrically linear elastic material model to the geometrically nonlinear regime.
The ultimate tensile strength of a material is an intensive property; therefore its value does not depend on the size of the test specimen.However, depending on the material, it may be dependent on other factors, such as the preparation of the specimen, the presence or otherwise of surface defects, and the temperature of the test environment and material.
The flexural strength is stress at failure in bending. It is equal to or slightly larger than the failure stress in tension. Flexural strength, also known as modulus of rupture, or bend strength, or transverse rupture strength is a material property, defined as the stress in a material just before it yields in a flexure test. [1]
A strain gauge, typically glued onto a sample of material to measure its deformation. The blue material is a conductor, so current must flow through the narrow vertical channels.
Diagram of a laser cutter Laser cutting process on a sheet of steel CAD (top) and stainless steel laser-cut part (bottom). Laser cutting is a technology that uses a laser to vaporize materials, resulting in a cut edge.
In 1945, it was renamed again as Rumah Sakit Umum Pusat (RSUP). In 1964, after Indonesia's independence, the name changed to Rumah Sakit Tijpto Mangunkusumo (RSTM), now RSCM, to match the Indonesian language. In 1994, the hospital was renamed Rumah Sakit Umum Pusat Dr. Cipto Mangunkusumo (RSUP Dr. Cipto Mangunkusumo). In 2008, a new building ...