ASTM G133 PDF

This application note shows how the MFT can be used to study materials, coatings and lubricants in linear wear friction testing setup. The test covers a laboratory procedure for determining the wear and friction of materials, liquid and lubricants etc. The state of the art Rtec Multi Function tribometer Mft is globally regarded as the most versatile and technologically advanced tribometer. The patented integrated 3D profilometer allows to analyse surface change vs time makes it usable for many application across various industries. The linear reciprocating tribometer pushes a stationary pin or ball to press against the oscillating plate at a determined force and moves it in a linear reciprocating manner at the set frequency. During the test coefficient of friction COF , friction force, wear and several other parameters are measured and reported.

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The direction of the relative motion between sliding surfaces reverses in a periodic fashion such that the sliding occurs back and forth and in a straight line. The principal quantities of interest are the wear volumes of the contacting ball and flat specimen materials; however, the coefficient of kinetic friction may also be measured using the method described. This test method encompasses both unlubricated and lubricated testing procedures.

The scope of this test method does not include testing in corrosive or chemically aggressive environments. The values given in parentheses are for information only. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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ASTM G133 - 05(2016)

ASTM D ASTM D ASTM G A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval.

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The direction of the relative motion between sliding surfaces reverses in a periodic fashion such that the sliding occurs back and forth and in a straight line. The principal quantities of interest are the wear volumes of the contacting ball and flat specimen materials; however, the coefficient of kinetic friction may also be measured using the method described. This test method encompasses both unlubricated and lubricated testing procedures. The scope of this test method does not include testing in corrosive or chemically aggressive environments. The values given in parentheses are for information only. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Multi-user access to over 3, medical device standards, regulations, expert commentaries and other documents.

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Linear Wear Friction Process: Linear wear friction test reproduces the linear reciprocating motion found in many real-world tribology mechanisms. A flat, pin or ball tip is loaded onto a test sample with a precise weight. The test samples can be of varied shape such as cylindrical as long as there is a flat zone of a certain length in the direction of movement. The length of the track can be adjusted prior to the start of measurement. As the test starts, the tip creates a linear wear track zigzag pattern also possible.

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The direction of the relative motion between sliding surfaces reverses in a periodic fashion such that the sliding occurs back and forth and in a straight line. The principal quantities of interest are the wear volumes of the contacting ball and flat specimen materials; however, the coefficient of kinetic friction may also be measured using the method described. This test method encompasses both unlubricated and lubricated testing procedures. The scope of this test method does not include testing in corrosive or chemically aggressive environments. The values given in parentheses are for information only.

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