TRIBOLOGICAL PROPERTIES OF BORIC ACID AND BORIC-ACID FORMING SURFACES: PART II:
FORMATION AND SELF-LUBRICATION MECHANISMS OF BORIC ACID FILMS ON BORON- AND BORIC-OXIDE-CONTAINING SURFACES
A. Erdemir, G.R. Fenske, R.A. Erck, F.A. Nichols, and D. Busch
Tribology Section
Materials and Components Technology Division
Argonne National Laboratory
Argonne IL 60439
...This paper introduces a solid lubricant film that can spontaneously
form on surfaces including a boron or boric oxide (B 203 ) coating.
The naturally occurring reaction film is boric acid, H3BO3...
https://www.osti.gov/servlets/purl/7257960