Tests

Question 1

The Rockwell Method- uses a minor and a major load to impact the material with an indenter.

Answer 1

Testing for hardness

Question 2

The Brinell Method- applies a load from a penetrator, such as a steel ball or pointed object onto a smooth surface.

Answer 2

Testing for hardness

Question 3

Vickers and Knoop- microhardness indenters, which are diamond shaped, both are examined under a microscope.

Answer 3

Testing for hardness 

Question 4

Bend testing- a test coupon is bent to 180° and outside portion is examined for defects. 

Answer 4

Testing for soundness 

Question 5

Nick break- a test coupon is notched, then fractured, using both tensile forces and a hammer. 

Answer 5

Testing for soundness

Question 6

Fillet weld break test - a t-joint is hit with a hammer until there’s a fracture in the weld zone. The fractured area is checked for discontinuities.

Answer 6

Testing for soundness 

Question 7

Metallographic testing- a section of metal or weld is cut, polished, and examined under magnification.

Answer 7

Testing for soundness