abrasion test

abrasion test

[ə′brā·zhən test]
(mechanical engineering)
The measurement of abrasion resistance, usually by the weighing of a material sample before and after subjecting it to a known abrasive stress throughout a known time period, or by reflectance or surface finish comparisons, or by dimensional comparisons.
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A DIN abrasion test was done on a DIN abrasion tester for determining the abrasion resistance of compounds of vulcanized rubber according to ASTM D5963-96.
The abrasion test results of LMFRCRSC for a concrete pavement emergency repair by the reinforcement fiber type and the microsilica substitution ratio are shown in Figure 9.
The determination of abrasion resistance was conducted as per specification EN 1338 [21] on cube samples of 71 [+ or -] 1.5 mm by using Bohme abrasion test abrader (Figure 2).
Los Angeles Abrasion value (ASTM C-131): The Los Angeles (L.A.) abrasion test is good to designate aggregate toughness and its abrasion features.
Key words: Murree Formation, sandstone, siltstone, aggregate, Loss Angeles abrasion test.
The samples were weighed before the abrasion test. For the actual testing, a sponge (Scotch-Brite, soft and rough side, non-scratching) was moved across the sample by an arm which moves back and forth in one cycle.
The abrasion test was conducted as prescribed in DIN ISO 4649.
The new material has been subject to the Taber abrasion test (which measures changes in the thickness, weight and optical dispersion of a sample placed against a rotating abrasion wheel), where it shows superior performance to a standard ribbon even after five times more rotations (as illustrated).
In the abrasion test itself, the machine itself was shut down after 25,000 cycles, so who knows just how far it could have gone!”
Therefore it is required to explore the estimation of UCS through indirect methods such as Los Angeles abrasion test which is relatively simple and fast method.