Materials Testing: Rockwell Hardness Test

[@dannyodarling]

I was looking for a video to catch up for a missed class. During that class we went over the using the rockwell tester. This video was very helpful, THANKS.

[@garethworthy2818]

Cheers, it was nice to have a visual aid for what I am reading about in my power engineering course (doing an online version).

[@seantinman3130]

can you test the spyderco knives

[@Alishouib]

RFQ:COMBINED ROCKWELL&SUPERFICIAL ROCKWELL HARDNESS TESTER(2SETS): -Hardness scales (A B C D E F G H K L M P R S &N T W X Y) -Digital displayed on large L C D(HARDNESS VALUE-ROCKWELL SCALE-TEST FORCE INDICATOR). -testing of material tracks-Tdata output to be printed and clarify the following:-(test time,date and time,specimen ID,RESULT VALUE -Test loads:60 100 150kgf.for Rockwell&15,30,45Kgf.for superficial -PRELOAD:10kgf..FOR ROCKWELL&3KGF.for superficial -measuring resolution(0.1 Rockw.)

[@jackrocksteal]

just one question.. amm.. was there a mistake in the very last reading of hardness??? cuze it was negative? if there was, due to what this was? thank you.

[@iguanapete3809]

Charleston Il. Yeah that where I wana go on vacation.

[@chetanhulamani]

nice...thanks

[@souvikjana3336]

the test is done pushing the lever to the loaded position at first without taking the ideal position at first.

[@smartluluful]

thanks guys :)

[@holymaccaronister]

Please do a similliar test but with glass instead!

[@dustins7943]

I loved and hated this at the same time. Brilliant but awful video. I didn't know to laugh or cry. Thanks, I hate it.

[@AbhishekMukh1994]

you should have used a smaller specimen

[@bagussabarliyan2452]

please, I Want subtitle indonesia

[@joshallison5372]

This is so cooked, value though

[@armangolmakan9514]

unprofessional video quality

[@magnus7965]

that adds to the charm