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Ultrasonic testing is a form of nondestructive testing. Ultrasonic testing uses special equipment to send high frequency sound waves to penetrate a material's thickness. Other special equipment is then used to receive these sound waves. ...Ultrasonic testing can be used to detect a variety of discontinuities.

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Thermal resistance is a heat property and a measurement of a temperature difference by which an object or material resists a heat flow. Thermal resistance is the reciprocal of thermal conductance. thermal resistance R in K/W is a property of a particular component. For example, a characteristic of a heat sink.

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the degree to which a specified material conducts electricity, calculated as the ratio of the current density in the material to the electric field that causes the flow of current. It is the reciprocal of the resistivity.

the rate at which heat passes through a specified material, expressed as the amount of heat that flows per unit time through a unit area with a temperature gradient of one degree per unit distance.

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the resistance of a material to breaking under tension.

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The fact that strain means relative change in shape or size implies that it is dimensionless and has no units. Stress, on the other hand, has ...

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the external force acting on an object or surface parallel to the slope or plane in which it lies; the stress tending to produce shear.

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a measure of the resisting power of a specified material to the flow of an electric current.

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Radiographic inspection is the process of evaluating material using x-ray or gamma-ray technology. It is one of the most thorough methods of non-destructivetesting which is used to evaluate objects for signs of flaws which could interfere with functionality.

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a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together, e.g., many synthetic organic materials used as plastics and resins.

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the quality of being easily shaped or molded.

BIOLOGY

the adaptability of an organism to changes in its environment or differences between its various habitats.

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Quality control method that does not damage or destroy the material or product being tested. Performed on a finished item instead of on a material sample, it uses infrared radiation, radiography, ultrasound, x-rays, and other techniques to detect fatigue effects, structural flaws, and other such defects.

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a nanoscale rod made of semiconducting material, used in miniature transistors and some laser applications.

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a tubular molecule composed of a large number of carbon atoms.

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the branch of technology that deals with dimensions and tolerances of less than 100 nanometers, especially the manipulation of individual atoms and molecules.

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The simple answer to this question is any particle less than 100 nm. But like most things in particle technology a more thorough discussion is required to achieve an unambiguous and complete response. The experts from the ISO and ASTM standards shown below provide additional nuances to the definition. The current agreement among the standards groups is that the scale from 1 – 100 nm defines the size range of a nanoparticle. Below 1 nm may be excluded in order to avoid calling clusters of atoms a particle, but the literature contains references to particles < 1 nm. Since particles are three dimensional the ASTM standard defines two or three dimensions must be between 1 – 100 nm. This provides for nanotubes with a diameter of 10 nm, but a length > 100 nm.

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a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity (e.g., iron, gold, silver, copper, and aluminum, and alloys such as brass and steel).

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the temperature at which a given solid will melt.

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Materials Of Engineering. Materials of Engineering refers to selecting the correct materials for the application in which the engineered part is being used. This selection process includes choosing thematerial, paying attention to its specific type or grade based on the required properties.

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is the general engineering practice of designing products in such a way that they are easy to manufacture. ... These DFM guidelines help to precisely definevarious tolerances, rules and common manufacturing checks related to DFM.

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is the ability of a substance to burn or ignite, causing fire or combustion. The degree of difficulty required to cause the combustion of a substance is quantified through fire testing. Internationally, a variety of test protocols exist to quantify flammability.

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the ability of an object or material to resume its normal shape after being stretched or compressed; stretchiness.

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tests are carried out to the specimen's failure, in order to understand a specimen's performance or material behaviour under different loads. ... These high-speed cameras have advanced recording modes to capture almost any type of destructivefailure.

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the process of corroding metal, stone, or other materials.

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the degree to which a specified material conducts electricity, calculated as the ratio of the current density in the material to the electric field that causes the flow of current. It is the reciprocal of the resistivity.

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the capacity of a material or structure to withstand loads tending to reduce size, as opposed to tensile strength, which withstands loads tending to elongate.

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made up of various parts or elements.

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a solid material comprising an inorganic compound of metal, non-metal or metalloid atoms primarily held in ionic and covalent bonds. Common examples are earthenware, porcelain, and brick.

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a hollow spherical molecule composed of a large number of carbon atoms.

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a natural or synthetic material (such as a metal or polymer) that is suitable for introduction into living tissue especially as part of a medical device (such as an artificial joint)

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a metal made by combining two or more metallic elements, especially to give greater strength or resistance to corrosion.

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a list describing the specifications of a product or property that is for sale

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the process of generating a realistic or nonrealistic image form a 2D or 3D model by means of computer programs

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a rough or unfinished drawing or painting, often made to assist in making a more finished picture.

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a first, typical or preliminary model of something, especially a machine, from which other forms are developed or copied.

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the reproduction of another manufacturer's product following detailed examination of its construction or composition.

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a group of techniques used to quickly fabricate a scale model of a physical part or assembly using three-dimensional computer aided design (CAD) data.

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a concise description of an issue to be addressed or a condition to be improved upon.

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A view of an object (actual or imagined) as it would be seen by an observer who looks at the object either in a chosen direction or from a selected point of view.

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a means of representing three-dimensional objects in two dimensions.

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a technique of illustration by which a standardized series of orthographic two-dimensional pictures is constructed to represent the form of a three-dimensional object.

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a mathematical representation of any surface of an object (either inanimate or living) in three dimensions via specialized software.

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a scale drawing of a mechanical or architectural structure done with precision instruments.

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the process of forming or relating ideas

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used to record ideas, inventions, experimentation records, observations and all work details is a vital part of any laboratory process.

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the process of devising a system, component, or process to meet desired needs.

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a drawing, at relatively large scale, of a part of a building, machine, etc., with dimensions or other information for use in construction.

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a document for a design and a appliance for cleaning project developed by a person or team in consultation with the 'client'.

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a method for automating control of machine tools through the use of software embedded in a microcomputer attached to the tool.

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used by architects, engineers, drafters, artists, and others to create precision drawings or technical illustrations.

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a computer program that attempts to simulate an abstract model of a particular system.

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to produce an idea or way to do something by holding a spontaneous group discussion