89-00-011 Micrograph

 

Inv. 89-00-011 or Misc. 011
Field #: not given
Pin, shaft fragment
Context: DH21 X13 [#30a]
A cross-section of the fragmented central part; magnification, 200x
Etchant: Ammonium hydroxide + hydrogen peroxide
(As, 0.83%; Sn, <0.085%; Ni, 0.037%)

A description of the microstructure is in preparation.

Microhardness VHN: 104 ± 11 (n=5)
Uniform;