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View Resource Vickers Microindentation Hardness Testing of Brazed Joints in Aluminium

This learning activity will provide an introduction to using Vickers microindentation hardness profiling for pre-fabricated aluminum joints. This exercise allows students to calibrate a Vickers microindentation hardness tester, to measure hardness profiles across, and to use computer software to plot the correlation between strength and hardness in the materials. This module is intended for ...

View Resource Vehicle Processing Readiness Course: Structural Fabrication

This site from SpaceTEC National Aerospace Technical Education Center presents materials on structural fabrication. Topics covered include material science, shaping/working metals, tools, rivets/bolts, blueprint reading, layouts, and composites.

View Resource Hardness Testing of Materials

This learning activity will provide an introduction to the tools used for hardness testing of various materials through either in-class demonstration or a PowerPoint presentation and lab combination, depending on the preference of the educator and equipment available. Students will learn about the factors that affect the hardness of a material and explore the circumstances under which the same...

View Resource Comprehensive Assessment of Mercury in Streams Explains Sources, Cycling, and Effects

This article on the United States Geological Survey (USGS) website summarizes the findings from a comprehensive assessment of mercury in waterways across the nation. As the article mentions, mercury, which can travel long distances in the atmosphere, is often the product of coal burning for energy production. In the study featured here, about one in four of the predator fish sampled exceeded EPA...

View Resource Materials Joining Technology Technical Competency Profile (TCP)

Presented by Weld-Ed, the National Center for Welding Education and Training, this Technical Competency Profile (TCP) was created for an elective course as part of a materials joining curriculum and includes "what student skills / outcomes are expected at the completion of the course." In addition to introductory information, the TCP covers to following content areas: arc welding and non-arc...

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