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Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Brinell_hardness_test — Please support Wikipedia.
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16 news items

Quality Magazine

Quality Magazine
Wed, 30 Apr 2014 21:05:18 -0700

... the most common tests used to determine material hardness are the Rockwell hardness test, the Brinell hardness test, and the Vickers hardness test. These three tests measure hardness by determining resistance to the penetration of a non-deformable ...
Wed, 01 Dec 2010 22:46:49 -0800

The Brinell hardness test is suitable for a range of materials hardness'. Brinell hardness testing involves forcing a hardened steel ball (or a tungsten carbide ball for extremely hard materials) into the surface of the specimen. The ball usually has a ...

Quality Magazine

Quality Magazine
Tue, 26 Jul 2011 12:28:07 -0700

The Brinell hardness test, still widely used today, consists of indenting the metal surface with a 1 to 10 millimeter diameter steel or, most recently, a tungsten carbide ball at heavy loads of up to 3,000 kilograms. The resultant impression, the ...

ThomasNet Industrial News Room (press release)

ThomasNet Industrial News Room (press release)
Mon, 03 Jan 2011 05:33:28 -0800

January 3, 2011 - Made in USA, ASTM E10- and ISO 6506-compliant Brinell hardness test blocks are designed with 6 x 4.5 in. test surface and come with certificate of calibration traceable to NIST. There are 80 indents per block on average for increased ...

Scientific American

Scientific American
Tue, 19 Jan 2016 07:29:29 -0800

From Mining to Medicine: Chemists of the Denver laboratory of the U. S. Bureau of Mines helped extract uranium oxide in Colorado. The radioactive element was used in x-ray machines, and cost $37,599 per gram in 1916 (about $900,000 today). Credit: ...

Quality Magazine

Quality Magazine
Wed, 30 Apr 2014 21:05:18 -0700

KEYWORDS Brinell hardness test / hardness testing / Knoop / microhardness / Rockwell hardness test / Vickers hardness test · Reprints. No Comments. By their nature, microhardness testers are delicate instruments. Extremely light forces (typically from ...
American Machinist
Mon, 28 Dec 2009 08:07:44 -0800

The Brinell hardness test involves embedding a steel ball of a specific diameter, using a kilogram load, in the surface of a test piece. The Brinell Hardness Number (BHN) is determined by dividing the kilogram load by the area (in square millimeters ...

AmmoLand.com (press release)

AmmoLand.com (press release)
Thu, 04 Apr 2013 09:25:37 -0700

The Brinell hardness test depends upon the resistance offered to the penetration of a carbide steel ball (1.6 mm diameter) when subjected to a weight of 12.6 kg. The resulting hardness value is computed as the ratio of the applied load to the area of ...

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