Podcast
Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App
Questions and Answers
What is the lattice expansion percentage observed when Nd2Fe14B absorbs hydrogen?
What is the lattice expansion percentage observed when Nd2Fe14B absorbs hydrogen?
~6.8%
What is the consequence of hydrogen absorption by the primary main Nd2Fe14B phase?
What is the consequence of hydrogen absorption by the primary main Nd2Fe14B phase?
Formation of NdH2, Fe2B, and Fe
What happens to the crystal structure and phase when Nd-rich phases absorb hydrogen at the grain boundaries?
What happens to the crystal structure and phase when Nd-rich phases absorb hydrogen at the grain boundaries?
Significant expansion and embrittlement
What is the lattice parameter of FCC NdH2?
What is the lattice parameter of FCC NdH2?
Signup and view all the answers
What type of magnets are formed with heavy rare-earth (HREs) additions such as Dy and Tb?
What type of magnets are formed with heavy rare-earth (HREs) additions such as Dy and Tb?
Signup and view all the answers
Flashcards are hidden until you start studying
