Wear Volume Loss
Wear Volume Loss - Related Videos
01:52
Inducing Hearing Loss in Mice Through Prolonged High-Volume Sound Exposure
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2025
Source: Lee, D. et. al., Modified Experimental Conditions for Noise-Induced Hearing Loss in Mice and Assessment of Hearing Function and Outer Hair Cell Damage. J. Vis. Exp. (2023)This video demonstrates the procedure of noise-induced hearing loss in mice. High-volume sound damages hair cells in the inner ear and disrupts auditory pathways, resulting in hearing impairment.
01:10
Line Loss
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2024
The different configurations of source-load connections include wye (star) and delta connections. The relationship between line and phase voltages and currents varies depending on the configuration. When the source is supplying power, it is transmitted through the wires to the load, and during this transmission, some power is absorbed by the wires, leading to line loss. Line loss impacts power delivery efficiency in a balanced three-phase circuit. The symmetry in such a circuit simplifies the...
12:27
Piping Networks and Pressure Losses
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2023
Source: Alexander S Rattner, Department of Mechanical and Nuclear Engineering, The Pennsylvania State University, University Park, PA This experiment introduces the measurement and modeling of pressure losses in piping networks and internal flow systems. In such systems, frictional flow resistance from channel walls, fittings, and obstructions causes mechanical energy in the form of fluid pressure to be converted to heat. Engineering analyses are needed to size flow hardware to ensure...
01:18
Reducing Line Loss
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2024
In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this. With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
01:28
Major Losses in Pipes
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2025
When a fluid flows through a pipe, it experiences energy losses due to frictional resistance along the pipe walls, known as major losses. These energy losses result in a pressure drop, which varies based on the flow conditions — whether laminar or turbulent — and the specific physical properties of the fluid and pipe. Fluid flow can be classified as laminar or turbulent, primarily based on the Reynolds number. This dimensionless number reflects the relative influence of inertial to viscous...
FAQs
These mechanisms remove material through different forms of contact damage. Adhesion arises from interacting surfaces, abrasion removes material through contact-related wear, fatigue develops through repeated loading, and erosion results from impacting conditions. Identifying the dominant mechanism helps engineers explain why a component loses material and select more suitable materials, coatings, lubricants, or operating conditions.
Wear Volume Loss depends on how materials and surface treatments respond to frictional contact. Comparing different materials, coatings, and lubricants under controlled conditions reveals which combinations better resist material removal. This comparison supports engineering decisions for contacting components because lower measured loss generally indicates stronger wear resistance and potentially greater durability during service.
Load, sliding or rolling speed, contact distance, and environmental conditions can change the measured amount of material removal. For this reason, engineers control these variables when evaluating wear performance. Holding them constant makes comparisons between materials, coatings, lubricants, or component designs more meaningful and helps distinguish performance differences from changes in test conditions.
Engineers quantify the loss by measuring changes in mass, component geometry, or three-dimensional surface topography. The selected measurement captures how much material has been removed after controlled contact. Using these approaches allows test results to be compared across materials and operating conditions, while surface-topography measurements can also show where removal occurred on the contact surface.
A comparison begins by selecting the materials, coatings, lubricants, or components of interest. Engineers then expose them to controlled contact with specified load, speed, distance, and environment, followed by measurement of mass, geometry, or surface topography. Comparing the resulting volume loss identifies the conditions and material combinations associated with better resistance to wear.
The measurement helps engineers estimate service-life trends, diagnose material-removal-related failure, and optimize contacting parts. Applications include bearings, gears, seals, cutting tools, and other components exposed to sliding, rolling, or impact. Results can guide choices that reduce loss, improve durability, and match a component’s material or surface treatment to its operating conditions.