It can test nondestructively in the Rockwell, Vickers, Knoop and Brinell hardness
scales, using software designed to make the process easy, repeatable and automatic.
The pump volutes are cast from hardened ductile iron, which at 300 Brinell hardness
, are twice as resistant to abrasives as standard ductile iron.
The latest release in this series of hardness testers, including the HR-530 (maximum specimen size height: 250 mm; depth: 150 mm) and the HR-530L (maximum specimen size height: 395 mm; depth 150 mm), features an electronic control, giving it capabilities for Rockwell, Superficial Rockwell, and Light Force Brinell hardness
This means one part tin to 20 parts lead, with a Brinell Hardness
Number (BHN) of about 12.
Wheel weights are too hard because they contain antimony, and heat-treating them doubles the Brinell hardness
far too hard for any muzzleloader.
Further mechanical and metallographic characterization included Brinell hardness
and optical microscopy.
JA Brinell in 1900 proposed the first largely recognized and standardized indentation-hardness test known as the Brinell hardness
The steel is tough enough to act as both the contract and structural material in heavy-duty tipper bodies and buckets, and deliver wear and dent resistance under heavy impact - with a Brinell hardness
window of 475-505 HBW - for increased service life,
test were examined under the load 100kgf with this various affected welded region.
where slope [HB.sub.i] refers to the athermic component of a Brinell hardness
, intercept [K'.sub.IC] = [K.sub.IC] HB* / HB is a constant and HB* is the thermoactivated component of a Brinell hardness
The aim of this study was to investigate the anisotropic characteristics of Brinell hardness
for six species (softwood, Chinese fir [Cunninghamia lanceolata (Lamb.) Hook.], Red pine [Pinus koraiensis Sieb.