Corrosion and Materials Professional v5.0

The endurance limit is usually about:

A quick test for embrittlement from _________ is a bend test or crush test. Unaffected material will be crushed in a ductile fashion while embrittled components will crack with no signs of ductility.

Corrosion from oxygen tends to be __________ type damage and can show up anywhere even if only very small amounts break through the scavenging system.

A fatigue fracture is brittle and the cracks are most often __________.

Dissimilar weld metal cracking can be aggravated by _______.

Time to failure by thermal fatigue is primarily affected by:

______ is most likely found in hard welds and heat affected zones and in high strength components.

Which of the following materials is susceptible to CO² corrosion?

Amine stress corrosion cracking is most often associated with lean amine services. The pure alkanolamine does not cause cracking. Cracking in rich amine services are most often associated with _______ problems.

_________ is a change in the microstructure of certain carbon steels and 0.5Mo steels after long-term operation in the 800 F to 1100 F range that may cause a loss in strength, ductility and/or creep resistance.

For furnaces, to prevent PASCC, keep the firebox heated above the dewpoint to keep
________ from forming.

_______ is the primary alloying agent that affects resistance to oxidation.

At a given pressure, the HS concentration in the sour water _________ as temperature
_________.

___________ is when oxygen reacts with carbon steel and other alloys at high temperatures converting the metal to oxide scale.