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2. Countertop - Wikipedia

   en.wikipedia.org/wiki/Countertop

   Countertop. A countertop, also counter top, counter, benchtop, worktop (British English) or kitchen bench (Australian or New Zealand English), bunker (Scottish English) is a raised, firm, flat, and horizontal surface. They are built for work in kitchens or other food preparation areas, bathrooms or lavatories, and workrooms in general.

3. Tsai–Wu failure criterion - Wikipedia

   en.wikipedia.org/wiki/Tsai–Wu_failure_criterion

   The Tsai-Wu criterion predicts failure when the failure index in a laminate reaches 1. This failure criterion is a specialization of the general quadratic failure criterion proposed by Gol'denblat and Kopnov [2] and can be expressed in the form. where and repeated indices indicate summation, and are experimentally determined material strength ...

4. Phenol formaldehyde resin - Wikipedia

   en.wikipedia.org/wiki/Phenol_formaldehyde_resin

   Phenol formaldehyde resins (PF) (phenolic resins or phenoplasts [1]) are synthetic polymers obtained by the reaction of phenol or substituted phenol with formaldehyde. Used as the basis for Bakelite, PFs were the first commercial synthetic resins. They have been widely used for the production of molded products including billiard balls ...

5. Composite laminate - Wikipedia

   en.wikipedia.org/wiki/Composite_laminate

   Composite laminate. In materials science, a composite laminate is an assembly of layers of fibrous composite materials which can be joined to provide required engineering properties, including in-plane stiffness, bending stiffness, strength, and coefficient of thermal expansion. The individual layers consist of high- modulus, high-strength ...

6. Rule of mixtures - Wikipedia

   en.wikipedia.org/wiki/Rule_of_mixtures

   In materials science, a general rule of mixtures is a weighted mean used to predict various properties of a composite material . [1][2][3] It provides a theoretical upper- and lower-bound on properties such as the elastic modulus, ultimate tensile strength, thermal conductivity, and electrical conductivity. [3]

7. Lamination - Wikipedia

   en.wikipedia.org/wiki/Lamination

   Lamination is the technique/process of manufacturing a material in multiple layers, so that the composite material achieves improved strength, stability, sound insulation, appearance, or other properties from the use of the differing materials, such as plastic. A laminate is a layered object or material assembled using heat, pressure, welding ...