Assertion: precipitate | /r/ObjectUse | used in helicopter transmissions
Facets:
Source sentences:
text: Precipitates in Mg–Zn alloys, such as ZE41 that is also used in helicopter transmissions, are coherent MgZn 2 , semicoherent MgZn 2 , and incoherent Mg 2 Zn 3 particles.