- Rockwell scale
- шкала твёрдости прибора Роквелла
Англо-русский словарь по сварочному производству. — М.: Физматгиз. В.Т. Золотых. 1961.
Rockwell scale
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Rockwell scale — The Rockwell scale is a hardness scale based on the indentation hardness of a material. The Rockwell test determines the hardness by measuring the depth of penetration of an indenter under a large load compared to the penetration made by a… … Wikipedia
Rockwell — can refer to: People * Dick Rockwell, an American comic strip and comic book artist, nephew of Norman Rockwell * Francis W. Rockwell, a United States Congressman from Massachusetts * George Lincoln Rockwell, a 1960s American Neo Nazi leader *… … Wikipedia
Rockwell hardness — (RH ) a measure of the hardness of a metal introduced by Rockwell in 1922. In a Rockwell hardness test, a penetrator makes an indentation in the metal under two constant loads, a minor load (generally 10 kilograms) and then a major load. The… … Dictionary of units of measurement
Rockwell XFV-12 — Infobox Aircraft name=Rockwell XFV 12 type=VTOL fighter manufacturer=Rockwell International caption= designer= first flight= introduced= retired= produced= number built=2 status=Cancelled 1981 unit cost= primary user=United States Navy more users … Wikipedia
Rockwell X-30 — X 30 NASP Artist s Concept of the X 30 entering orbit Role SSTO aerospaceplane Manufacturer … Wikipedia
Dudley Willis Rockwell — Dudley Willis Dud Rockwell was born June 20, 1913, in New Britain, Connecticut. Dud was the son of Ruth Gowdy Rockwell and Stanley Pickett Rockwell, inventor of the Rockwell scale. Dud graduated from Yale University Sheffield Scientific School in … Wikipedia
Brinell scale — The Brinell scale characterizes the indentation hardness of materials through the scale of penetration of an indenter, loaded on a material test piece. It is one of several definitions of hardness in materials science.Proposed by Swedish engineer … Wikipedia
Four Freedoms (Norman Rockwell) — This article is about Norman Rockwell s paintings. For other uses, see Four Freedoms (disambiguation) … Wikipedia
List of scientific units named after people — This is a list of scientific units named after people. For other lists of eponyms (names derived from people) see eponym.Note that by convention, the name of the unit is properly written in all lowercase, but its abbreviation is capitalized.SI… … Wikipedia
Vickers hardness test — A Vickers hardness tester The Vickers hardness test was developed in 1924 by Smith and Sandland at Vickers Ltd as an alternative to the Brinell method to measure the hardness of materials.[1] The Vickers test is often easier to use than other… … Wikipedia
Barcol hardness test — The Barcol hardness test characterizes the indentation hardness of materials through the depth of penetration of an indentor, loaded on a material sample and compared to the penetration in a reference material. The method is most often used for… … Wikipedia
