www.geartechnology.com/articles/22635-vickers-vs-knoop-hardness-testers-for-measuring-case-depth-in-carburized-parts
Vickers vs. Knoop Hardness Testers for Measuring Case Depth in Carburized Parts
January 1, 2020
What are the pros and cons of using Vickers versus Knoop hardness testers for measuring case depth in carburized gears?