spray metal tooling

From: Jennifer Holmquest (Boeing  Company)
To: RP-ML
Date: Monday, October 31, 1994
Subject: spray metal tooling
Has anyone worked with spray metal tooling (TAFA cool spray moldmaking) off of a 
SLA pattern?  I would like to make an autoclave tool using the above process, 
but I'm concerned about porosity, durability, etc.  Are there any success 
stories out there??

Jennifer Holmquest
Boeing Defense & Space Group, Helicopters Division