peening

plural peenings

1. countableuncountableThe hardening of a metal surface by hammering, or by blasting with shot

   1 more example

   Postmechanical operations include: (1) removal of excess weld metal, slag, and weld spatter, (2) rough or finish machining to dimensional requirements of the weldment, and (3) metal conditioning processes such as peening or roll planishing to reduce cracking tendencies physically and to increase weld bead strength.

   1989, William Winchell, Realistic Cost Estimating for Manufacturing, page 121

1. gerundparticiplepresentpresent participle and gerund of peen