As of early 2011, follow up studies in patients have not demonstrated significant reductions in wear rates between the various types of femoral heads on the market.

The wear rate is improved by increasing the TiB content to 70-80% at the expense of 10% hardness loss.

Diamond films are being grown on valve rings, cutting tools, and other objects that benefit from diamond's hardness and exceedingly low wear rate.

The tread-wear indicator is a comparative rating based on the wear rate in Federal tests.

The stone in rocks and soil is always bad news for wear rates.

The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test track.

As a result each Jabroc skid plank is all but identical in terms of wear rate and material density.

The new gun was also very accurate and possessed very good wear rates - up to 450 rounds per gun.

Specifically, normal loads and sliding speeds play a pivotal role in determining wear rate.

The wear rate of enamel, called attrition, is 8 micrometers a year from normal factors.