The peak stress refers to the stress increment added to the primary and secondary stress caused by the influence of local structural discontinuity or local thermal stress. The basi
Jun 29, 2022
Shear strength refers to the ability of a material to withstand shearing force, code σc, refers to the strength limit when the external force is perpendicular to the axis of the ma
Jun 28, 2022
Ultimate strength refers to the maximum stress that occurs when an object is damaged under the action of external force, which can also be called failure strength or failure stress
Stress waves are the propagated form of stress and strain disturbances. Mechanical disturbances in deformable solid media are manifested as changes in particle velocity and corresp
Jun 27, 2022
Impact strength is an index to measure the toughness of materials, usually defined as the energy absorbed per unit cross-sectional area when the sample is broken or fractured under
Potassium dihydrogen phosphate is a chemical with the chemical formula KH2PO4. There is deliquescence. When heated to 400°C, it melts into a transparent liquid, and solidifies into
Jun 26, 2022
The hexagonal crystal system refers to the assignment of crystals in which there are six-fold or six-fold anti-axis characteristic symmetry elements in the main direction of the c-
An electric dipole is a system of two equal and opposite point charges. The characteristics of an electric dipole are described by the electric dipole moment p=ql, where l is the d
Jun 25, 2022
Ion displacement polarization refers to the elastic displacement of positive and negative ions in the dielectric under the action of an external electric field, the positive ions m
Ultra-high-speed integrated circuit is a kind of ultra-large-scale integrated circuit, which is developed to meet the requirements of military high-speed signal processing, nuclear
Jun 24, 2022
Imaging is the imaging technology of biological samples, which can be roughly divided into tissue imaging and cellular and molecular microscopy according to the size of the sample.
The surface acoustic wave device utilizes the characteristics of the acoustic-electrical transducer to perform various processing on the acoustic signal propagating on the surface
Jun 23, 2022
