cracks formation
81Subcultural theory — In criminology, subcultural theory emerged from the work of the Chicago School on gangs and developed through the symbolic interactionism school into a set of theories arguing that certain groups or subcultures in society have values and… …
82Icebreaker Fyodor Litke — The icebreaker Fyodor Litke (SKR 18, ru. Фёдор Литке, СКР 18) was a Soviet ship which was active in the Arctic until late 1950s. It was built in 1909 in England for the Saint Lawrence River service and initially named C.G.C. Earl Grey after… …
83Weathering — This article is about weathering of rocks and minerals. For weathering of polymers, see Polymer degradation and Weather testing of polymers. Weathering is the breaking down of rocks, soils and minerals as well as artificial materials through… …
84Wear — For other uses, see Wear (disambiguation). v · d · e Materials failure modes …
85Dye penetrant inspection — 1. Section of material with a surface breaking crack that is not visible to the naked eye. 2. Penetrant is applied to the surface. 3. Excess penetrant is removed. 4. Developer is applied, rendering the crack visible. Dye penetrant inspection… …
86Solution precursor plasma spray — (SPPS) is a thermal spray process where a feedstock solution is heated and then deposited onto a substrate. Basic properties of the process are fundamentally similar to other plasma spraying processes. However, instead of injecting a powder into… …
87metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
88chemical bonding — ▪ chemistry Introduction any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another …
89List of Pokémon (102–151) — Contents 1 Exeggcute 2 Exeggutor 3 Cubone 4 Marowak …
90Concrete degradation — may have various causes. Concrete can be damaged by fire, aggregate expansion, sea water effects, bacterial corrosion, calcium leaching, physical damage and chemical damage (from carbonation, chlorides, sulfates and distilled water). This process …
