Development of pin on disk testing since the 1970s, the procedure for the development of. Finite element analysis of pinondisc tribology test. Pin on disk wear testing is widely used when trying to select an appropriate material couple for medical, manufacturing, or other applications. For the pin on disk wear test, dual specimens are needed. When the friction is monitored during the pin on disc test the friction starts at its highest level but after a certain amount. Pin on disc wear testing machine technical specifications of pin on disc wear testing machine the machine should be able to carry out with testing as standard astm g 99 or equivalent. After a breakin period, the electrochemical pin on disk produced constant wear rates independent of path length for both astm a 514 steel and 304 stainless steel. Test procedure steps to be followed in order to conduct the experiment are. A tribotester is the general name given to a machine or device used to perform tests and simulations of wear.
Pin on disk pod or ball on disk tribometer astm g 99 standard test method for wear testing with a pin on disk apparatus. Pin on disc wear principle a flat or a sphere shaped indenter is loaded on the test sample with a precisely known force. G9995a reapproved 2000, standard test method for wear testing with a pin on disc apparatus 7 tribology international vol. A pinondisc is used to perform the wear experiment. Each specimen is then weighed using a digital balance having an accuracy of 0. The pin was loaded against the disc through a dead weight loading system. The machine should also be capable for ball on disk single lever system in 1. Hardly a meeting has gone by without budinskis presentation of yet another careful study of a wear test, together with his. The wear track, alloy and composite specimens are cleaned thoroughly with acetone prior to test. Static coefficient of friction measurement using tribometer. Tool wear mechanisms can be studied under lab conditions using pin on disk or pin onflat tests 7,8,9,10 reducing the material cost and improving the environmental sustainability of the process. A new pin on disk wear testing method for simulating wear of polyethylene on cobaltchrome alloy in total hip arthroplasty. Study of wear pattern behavior of aluminum and mild steel.
Din iso 71481 testing the tribological behavior of material for sliding bearings part 1. This test method covers a laboratory procedure for determining the wear of materials during sliding using a pin on disk apparatus. Pdf modeling and simulation of wear in a pin on disc tribometer. With a ballended pin, alignment problems are removed but the test starts with high.
Materials are tested in dyads under typically nonabrasive conditions. Pinondisc study of tribological performance of standard. It has been found that the hardness and wear resistance of stellite alloys behave differently at room temperature and at high temperatures wear tests were carried out in a pin on disc wear testing machine, the pin being manufactured from friction material usually used in light truck brake pads. Application of pinondisc techniques for the study of. Blockonring under atmospheric conditions and elevated temperatures astm g 77. Guidance notes on test specimens phoenix tribology. Pin on disk machine tests falex tribology testing and. An experimental investigation on wear test parameters of. This is a pin on disk tribometer that ive developed. One, a pin is positioned perpendicular to the other, usually a flat circular disk. With a ballended pin, alignment problems are removed but the test. One, a pin or ball that is positioned perpendicular to the other, usually a flat circular disk.
This test covers a laboratory procedure for determining the. Dry sliding wear tests for different number of specimens was conducted by using a pinondisc machine. The study of sliding wear and friction properties is of great practical significance for hard coatings, which are aimed at increasing the life of any component. The pin on disc sliding wear test is a commonly used tribological characterization technique to estimate the coefficient of friction and the wear mechanism of diamond films. Pin on disk corrosion wear test astm international. Jan 09, 2016 in this pin disc wear test er project, test setup was modeled by using elast oplatic finite e lement method fem for aluminum a lloy 6061 o brick and m ild steel with 20n force is applied. The wear was measured by weighing discs and pads before and after the test. The wear tests have been carried out on a pin on disc machine, using pin as brake shoe lining material and discs as a35625sic. The indenter a pin or a ball is mounted on a stiff lever, designed as a frictionless force transducer. Astmg99 standard test method for wear testing with a pin. The ducom pin ball on disk tribometer is a test instrument designed for accurate and repeatable tribological characterization of bulk materials, coatings and lubricants. Experimental procedure the wear tests were carried out on pinondisc apparatus ducom tr20le, model, india.
Realistic approach to pinondisc wear testing measurement. As the name implies, such apparatus consists essentially of a pin in contact with a rotating. A pinondisc study of the tribology characteristics. A ball, rigidly held, is often used as the pin specimen. The rotating discs 500rpm were subjected to cyclical pressures of 0. Procedure unscrew to loosen the sliding plate, move it to the desired position say at 60 mm by looking at. The pin was held against the counter face of a rotating disc en31 steel disc with wear track diameter 60 mm. Experimental procedure the wear tests were carried out on pin on disc apparatus ducom tr20le, model, india. Pinondisk wear test method covers a laboratory procedure for determining the wear of materials during sliding using a pin traveling on a rotating disk. Figure 2 shows a schematic of the pin on disc wear test rig with the associated instrumentation.
Materials are tested in pairs under nominally nonabrasive conditions. G 99 standard test method for wear testing with a pin on disk apparatus scope. Design and manufacturing of a pinondisk wear testing apparatus. The wear test for all specimens was conducted under the normal loads of 20n, 40n and a sliding velocity of 2 and 4 ms. One, a pin with a radiused tip, is positioned perpendicular to the other, usually a flat circular disk. Bragdon cr1, oconnor do, lowenstein jd, jasty m, biggs sa, harris wh. Since the action performed on all samples is identical, the wear rate can be used as a quantitative comparative value for wear resistance. Element performs pin on disk wear testing in reference to astm g99, astm g3 and astm f732 on our inhouse, custombuilt, 12station wear test frames. However, in the last decades machining processes have been. Experimental objective indian institute of technology madras. Wear testing of pin on disc tribometer test procedure steps to be followed in order to conduct the experiment are. Standard test method for wear testing with a pinondisk.
Most pin on disc testers are computer controlled and store the measured friction versus time or distance plots for future reference. Wear test was conducted as per procedure reported elsewhere21. Test procedure table 4 shows the pin on disc test matrix. Axial load was applied to the pins against the plane surface of the rotating disc. Easily changeable holders allow users to quickly change the nature of tribological contact to something that is relevant to their application. Laboratory testing ducom instruments the tribology company. This test method is a laboratory procedure for discerning the wear of materials during sliding using a pin on disk setup. The pin on disc is the most common test used to characterize the wear. It was invented by the 18th century dutch scientist musschenbroek. Investigate wear resistance of aluminium 2024 alloy by. The volume lost allows calculating the wear rate of the material. It is important to have comparable data of analyses obtained during years, with variable humidity and temperature andor in the presence of.
The wear resistance of each alloy is evaluated at both room temperature and elevated temperatures up to 450c using a pinondisc tribometer equipped with a heating device. A tribometer is an instrument that measures tribological quantities, such as coefficient of friction, friction force, and wear volume, between two surfaces in contact. Tender disc wear iitjindian institute of technology jodhpur. Testing of bearing materials, test procedure a, pin on disk. Wear resistant coating evaluation by highload tribometer prepared by duanjie li, phd. A pinondisk experimental study on a green particulatefluid. The coefficient of friction may also be determined. After that the specimen is mounted on the pin holder of the tribometer ready for wear test. A tribotester is the general name given to a machine or device used to perform tests and simulations of wear, friction and lubrication which are the subject of. Effects of the pinondisc parameters on the wear of alumina.
Astm g99 standard test method for wear testing with a. Wear disc diameter 160mm en31 disc 5560 hrc and 8mm. One, pin with radius tip is positioned perpendicular to a flat circular disc. The principal areas of experimental attention in using this type of apparatus to measure wear are described. Ranking resistance of plastic materials to sliding wear using a blockonring configuration. Sliding occurs between a stationary pin ball and a rotating disc at a fixed rpm speed continuously variable. Dry sliding wear test conducted on pin ondisk testing. Design of normal force control system for a pinondisk. A laboratory test procedure for determining the wear of materials during sliding using a pin on disk apparatus. Dry sliding wear test conducted on pin ondisk testing setup. The test machine causes either the disk specimen or the pin. Successive wear track passes of the test pin should be spaced far enough apart so that the reference pin can be tested on unused abrasive in a path adjacent and parallel to that of the. Studies where multiaxial pin on disk testers were employed were selected from above for analysis in the results section.
This test is beneficial if you want to compare tribological properties of a pair of materials. These unique, high capacity machines allow for the testing of several material combinations at a time, on a single test frame. Pdf modeling and simulation of wear in a pin on disc. Pin on disc test this test covers a laboratory procedure for determining the wear of materials during sliding using pin disc apparatus. Pressureinduced tribofilm formation with triboconditioning.
Additionally, rheological tests were conducted to measure the viscosity of the canola oil and boric acid powder mixture as a function of particle size, and it was found that the viscosity increased with particle size over the size range tested. A pin on disc is used to perform the wear experiment. In this pin disc wear test er project, test setup was modeled by using elast oplatic finite e lement method fem for aluminum a lloy 6061 o brick and m ild steel with 20n force is applied. Wear testing and wear measurement university of miskolc. Pdf this project was carried out the design and fabricate a circular pin disc wear tester with. Pin on disk wear test method covers a laboratory procedure for determining the wear of materials during sliding using a pin traveling on a rotating disk. For the pin on disk wear test, two specimens are required. The test machine causes the disk specimen to revolve about the disk center.
Oct 04, 2017 wear test method apparatus pin on disc duration. Pinondisc tester was used to study the characteristics of materials, lubricant and so on. Rotary pinball on disk tribometer ducom instruments. Specimen pin alignment we need to be careful when running a hard pin on a soft disc or plate. Astm g 99 standard test method for wear testing on a pinondisk test apparatus. Astm g 99 standard test method for wear testing on a pin on disk test apparatus. For the wear coefficient, at low and high speeds, rs pins. In this test the flat end of cylindrical specimen 8 mm in diameter and 12 mm length was fixed in chuck jaws to prevent specimens from rotation during the test. A and b will be used in the remainder of this paper to identify different material combinations. By this the wear disc between each grind can used be used for many test by positioning the specimen pins at different diameter wear track diameter on wear disc. During the experiment, the sliding between the pin and disc may result in wear on. Place the weights in the pan and observe the wear pattern on disc made by pin. This test method covers a laboratory procedure for determining the wear and friction of materials, liquid and lubricants etc. Run the motor at full speed and on the range meter.
Advances in tribological testing of artificial joint. However, only a few studies have been found which investigate the specific tribological pairing of aluminum and tungsten carbide. Pinondisk wear test an overview sciencedirect topics. An experimental investigation on wear test parameters of metal matrix. Wear test the wear test was performed on pin on disc apparatus shown in figure 1. Therefore, we are going to design a circular pin disc wear tester. Pin on disc friction and wear tests phoenix tribology ltd. Test procedure table 4 shows the pinondisc test matrix. A is the material of the disc, and b is the material of the pin. Hightemperature hardness and wear resistance of stellite alloys. These studies were used in summarizing the development of pin on disk section. Full scale testing is often required if contact pressure and geometry are kept as variables. The electrochemical and wear parameters of potential, current, charge, sliding speed, frictional force, and normal acceleration can be continuously displayed and recorded. Design and manufacturing of a pinondisk wear testing.
Astm g99 standard test method for wear testing with a pin on disk apparatus proposed standard test method for predicting coefficient of friction and wear. Download limit exceeded you have exceeded your daily download allowance. Pinondisc tribological tests pod were carried out under dry conditions, using a mt60ni. The test machine causes either the disk specimen or the pin specimen to revolve about the. In a pin on disc wear tester, a pin is loaded against a flat rotating disc specimen such that a circular wear path is described by the machine. Schematic of a pin on disc wear test and the arrangement of samples. Each test was performed twice to ensure repeatability. Pin on disk test friction and wear typically wear rates and wear resistance. These properties include frictional force coefficients and wear rates of your specific material pair. Investigation of wear characteristics of aluminum disc. For this reason, the present work is focused on the study of the.
A new pinondisk wear testing method for simulating wear of. One, a pin with a radiused tip, is positioned perpendicular to the other, usually a. A pin on disc is a classical method commonly used for wear experiments. A wide range of factory installed and field upgradable options make.
Therefore, we are going to design a circular pin disc wear test er. Materials are tested in pairs under nominally nonabrasive condition. These unique, high capacity machines allow for the testing of several material combinations at a time, on a single test. As well as the electrostatic probe, which was located 90 degrees away from the pin disc contact and 0. Pin on disk machine tests astm methods052010 standard test method for wear testing with a pinondisk apparatus this test method covers a laboratory procedure for determining the wear of materials during sliding using a pinondisk apparatus.
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