The Full Wiki

Invar: Quiz


Question 1: Like other nickel/________ compositions, Invar is a solid solution; that is, it is a single-phase alloy — similar to a dilution of common table salt mixed into water.

Question 2: FeNiCo alloys — named Kovar or Dilver P — that have the same expansion behaviour as ________, and because of that are used for optical parts in a wide range of temperatures and applications, such as satellites.
Borosilicate glassZerodurCorningWareMACOR

Question 3: Invar, also known generically as FeNi36 (64FeNi in the US), is a nickel steel alloy notable for its uniquely low ________ (CTE or α).
AluminiumCopperCoefficient of thermal expansionSilver

Question 4: He received the ________ in 1920 for this discovery, which shows the importance of this alloy in scientific instruments.
Nicolaas BloembergenNobel Prize in PhysicsTsung-Dao LeeJohn Hasbrouck Van Vleck


Got something to say? Make a comment.
Your name
Your email address