ASTM B963
Standard Test Methods for Oil Content, Oil-Impregnation Efficiency, and Surface-Connected Porosity of Sintered Powder Metallurgy (PM) Products Using Archimedes’ Principle
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About This Item
ASTM B963 is the ASTM standard that outlines test methods for evaluating oil content, oil-impregnation efficiency, and surface-connected porosity in sintered powder metallurgy (PM) products using Archimedes’ principle. It provides a practical framework for checking how much oil a porous PM part contains and how effectively it has been impregnated. This matters for product evaluation, quality control, and consistent comparison of sintered components where porosity and oil retention can affect performance.
What is ASTM B963?
ASTM B963 is a technical document focused on test methods for sintered powder metallurgy products, especially those that rely on controlled porosity and oil impregnation. The standard uses Archimedes’ principle as the basis for measurement, which helps support repeatable evaluation of oil content, impregnation efficiency, and surface-connected porosity. In practice, it is used to assess characteristics that are important in porous PM parts, where material structure and fluid retention can influence suitability for use and overall quality.
Where is ASTM B963 used?
ASTM B963 is commonly used in powder metallurgy manufacturing, laboratory testing, and inspection workflows for sintered PM products. It is especially relevant when parts are designed to retain oil or when surface-connected porosity must be measured as part of acceptance testing or process verification. The standard is useful for quality teams, test labs, and procurement groups that need a consistent method for evaluating porous metal components and comparing results across production lots or suppliers.
Why is ASTM B963 important?
ASTM B963 helps support consistent measurement methods for properties that can be difficult to assess reliably without a defined procedure. By standardizing how oil content, oil-impregnation efficiency, and surface-connected porosity are determined, it supports better quality control and more dependable product comparison. For buyers, manufacturers, and testing organizations, the standard can reduce ambiguity in acceptance criteria and improve confidence in the performance evaluation of sintered PM products. ASTM B963 is therefore useful for compliance-oriented testing and routine technical review.
- Oil content measurement
- Oil-impregnation efficiency
- Surface-connected porosity evaluation
- Archimedes’ principle-based testing
- Sintered PM product quality control
- Publication Date: 2024-03-26
- Publisher: ASTM
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