solid-state welding
81The Swatch Group — Infobox Company company name = The Swatch Group Ltd. company company type = Limited foundation = 1983 location = Biel, Switzerland key people = flagicon|Lebanon Nicolas Hayek, Founder products = Watches homepage = [http://www.swatchgroup.com/home …
82Spark gap — A spark gap consists of an arrangement of two conducting electrodes separated by a gap usually filled with a gas such as air. When a suitable voltage is supplied, a spark forms, ionizing the gas and drastically reducing its electrical resistance …
83Crucible steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) …
84Rotary phase converter — DefinitionA rotary phase converter, abbreviated RPC, is a Rotary converter that produces Three phase electric power from Single phase electric power. This allows three phase loads to run using generator or utility supplied single phase electric… …
85Alan Cottrell — Sir Alan Howard Cottrell (born 1919) is a British metallurgist and physicist. He received his BSc degree from the University of Birmingham in 1939 and a PhD for research on welding in 1942. He joined the staff as a lecurer at Birmingham, being… …
86Brushed DC electric motor — A brushed DC motor is an internally commutated electric motor designed to be run from a direct current power source. Contents 1 Simple two pole DC motor 2 The commutating plane 2.1 Compensation for stator field distortion …
87Transformer types — Circuit symbols Transformer with two windings and iron core. Step down or step up transformer. The symbol shows which winding has more turns, but not usually the …
88Chevrolet Corvette C5 Z06 — This article is about the Chevrolet Corvette C5 Z06. For general Corvette Z06 information, see Chevrolet Corvette Z06. C5 Z06 Manufacturer C …
89Major commercial lasers — ▪ Table Major commercial lasers laser type wavelength (micrometres [μm]) applications molecular fluorine excimer 0.157 (ultraviolet) photolithography for microelectronics argon fluoride excimer 0.192 (ultraviolet) eye surgery, photolithography… …
90building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
