exogenous inclusion

exogenous inclusion

[‚ek′säj·ə·nəs in′klü·zhən]
(petrology)
References in periodicals archive ?
Also, salt carryover from certain recycling operations and "bath" carryover from low-grade primary ingot can represent an exogenous inclusion type that is imported into the system.
KMF) described his foundry's work with filters to reduce scrap caused by exogenous inclusion defects.
Answers to these questions can often distinguish between gas, exogenous inclusion and shrinkage defects, though they are not normally helpful in pinpointing microstructural problems.
Visual examination may be sufficient to separate exogenous inclusion defects from gas holes or shrinkage cavities.
The greater the amount of these elements in the alloy, or the greater the alloy addition level, the greater the chance of having exogenous inclusion problems.
These filters eliminate exogenous inclusions by trapping slag and dross.