Patent ID: 9586371
Date: 2017-03-07
CPC Classifications: B29B,B29C,B29K,B33Y,C08K,C08L

Claim:
1. A method of bonding material layers in an additive manufacturing process, the method comprising: forming a layer of a first feedstock comprising a first matrix material and one or more first capsules disposed in the first matrix material, the first feedstock including one or more reinforcement structures that extend between the first matrix material and the one or more first capsules; removing the one or more first capsules from at least a surface portion of the first matrix material when the first matrix material solidifies, thereby forming one or more cavities in the surface portion, wherein the one or more reinforcement structures remain extended from the first matrix material after removal of the one or more first capsules; and forming a layer of a second feedstock comprising a second matrix material, on at least a portion of the first matrix material; prior to solidification of the second matrix material, at least partially infiltrating the one or more cavities in the surface portion of the first matrix material with the second matrix material.