Hardness testing (Brinell, Vickers and Rockwell test method simply explained)

With the Brinell hardness test, a carbide ball is pressed into the material. The indentation surface serves as a measure of the hardness. Vickers hardness testing is performed in the same way, but it uses a pyramid-shaped indenter made of diamond. In Rockwell hardness testing, the hardness value is determined on the basis of the indentation depth of a diamond cone or a cemented carbide ball. Learn more about these methods in this video.
00:00 Definition of hardness
02:15 Brinell hardness test procedure
04:08 Calculation of Brinell hardness value
05:49 Range of validity with Brinell method
07:50 Load factor
10:58 Spherical indenters
13:46 Vickers hardness test procedure
14:58 Calculation of Vickers hardness value
16:00 Range of validity
17:04 Test ranges
19:47 Indication of Vickers hardness
20:38 Rockwell hardness test procedure
21:22 Calculation of Rockwell hardness value
23:09 Testing with diamond cones
25:21 Testing with cemented carbide balls
27:29 Range of validity
29:14 Advantages and disadvantages
30:16 Comparison of hardness values

[@_Meena1230]

Master piece to understand the hardness test..Kudos to the team that prepared it to share and transfer knowledge to the next generation...

[@tec-science]

Thank you very much. The "Team" is just me, but thanks! 🙏🏽

[@HK-fq6vh]

Only video you need to watch to understand hardness testing

[@death_parade]

You earned a new subscriber. Severely underrated channel.

[@tec-science]

Thank you 🙏🏿

[@Kottam_Yallawa]

This video is better than most of the paid contents out there 🤝

[@tec-science]

Thank you!

[@cookiemaria780]

Really wonderful video! This helps us university students so much you cannot imagine! Your entire channel is so great! Thank you! I look forward to more materials science videos!

[@tec-science]

Thank you very much for your kind words

[@joaosoares4893]

very good video, helped me with my materials class

[@samreddymukeshreddy5061]

best tutorial on youtube deserve more views and likes

[@guccihorsepiss2406]

Absolute master piece

[@AmaraNS-iw6og]

what a great videos

[@Unknown-ry2rl]

Thanks for information

[@kisekkabarnabasi9789]

great tutorial

[@tec-science]

much appreciated

[@fuste_woodtech]

Thanks!

[@simon_faucher]

Great video, very interesting and informative:) what is the name of the machine used?

[@tec-science]

Thank you very much for the appreciation. I have no idea what machine this is supposed to represent. I looked at some reference pictures and then constructed the whole thing roughly for the 3D animation.

[@simon_faucher]

@@tec-science no problem, I suppose these are way out of my budget anyway😅 thanks again for the video!

[@Kottam_Yallawa]

Need a video on the topic heat treatment

[@tec-science]

I haven't created a video about that topic yet but you will find information on heat treatment on my website

[@fooziyong6957]

May I ask whether uneven surface is suitable for this hardness testing also ? Thank you

[@tec-science]

I don't think that it is suitable because you don't get valid and comparable results