公开(公告)号：US10821518B2

公开(公告)日：2020-11-03

申请号：US16169290

申请日：2018-10-24

Applicant: General Electric Company

Inventor： Patrick Michael Kenney ,  Dustin Eugene Lindley

IPC: B22F3/105 ,  B33Y50/00 ,  C22C1/04 ,  B29C64/153 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y30/00 ,  B33Y50/02

Abstract: A method and apparatus for fabricating an object. The method and apparatus entail applying a pulsed laser energy to a first quantity of a powder material on a substrate so as to fuse particles of the powder material into a first layer on the substrate, and then forming at least one additional layer on the first layer by applying a pulsed laser energy to at least a second quantity of the powder material on the first layer so as to fuse particles of the powder material into the at least one additional layer on the first layer. The pulsed laser energy is applied in a controlled manner such that solidification dynamics of the first and second quantities of the powder material are altered to promote at least one microstructural characteristic of the first and additional layer.

公开(公告)号：US10124408B2

公开(公告)日：2018-11-13

申请号：US14440154

申请日：2013-11-01

Applicant: General Electric Company

Inventor： Patrick Michael Kenney ,  Dustin Eugene Lindley

IPC: B22F3/105 ,  B23K26/06 ,  B23K26/34 ,  B33Y50/00 ,  C22C1/04 ,  B33Y10/00 ,  B29C64/153 ,  B33Y70/00 ,  B33Y30/00 ,  B33Y50/02

Abstract: A method and apparatus for fabricating an object. The method and apparatus entail applying a pulsed laser energy to a first quantity of a powder material on a substrate so as to fuse particles of the powder material into a first layer on the substrate, and then forming at least one additional layer on the first layer by applying a pulsed laser energy to at least a second quantity of the powder material on the first layer so as to fuse particles of the powder material into the at least one additional layer on the first layer. The pulsed laser energy is applied in a controlled manner such that solidification dynamics of the first and second quantities of the powder material are altered to promote at least one microstructural characteristic of the first and additional layer.

公开(公告)号：US20150273631A1

公开(公告)日：2015-10-01

申请号：US14440154

申请日：2013-11-01

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Patrick Michael Kenney ,  Dustin Eugene Lindley

IPC: B23K26/34 ,  B23K26/06 ,  B22F3/105

CPC classification number: B22F3/1055 ,  B22F2003/1057 ,  B29C64/153 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/00 ,  B33Y50/02 ,  B33Y70/00 ,  C22C1/0416 ,  Y02P10/295

Abstract: A method and apparatus for fabricating an object. The method and apparatus entail applying a pulsed laser energy to a first quantity of a powder material on a substrate so as to fuse particles of the powder material into a first layer on the substrate, and then forming at least one additional layer on the first layer by applying a pulsed laser energy to at least a second quantity of the powder material on the first layer so as to fuse particles of the powder material into the at least one additional layer on the first layer. The pulsed laser energy is applied in a controlled manner such that solidification dynamics of the first and second quantities of the powder material are altered to promote at least one microstructural characteristic of the first and additional layer.

Abstract translation: 一种用于制造物体的方法和装置。 所述方法和装置需要将脉冲激光能量施加到衬底上的第一量的粉末材料，以将粉末材料的颗粒熔合到衬底上的第一层中，然后在第一层上形成至少一个附加层 通过将脉冲激光能量施加到第一层上的至少第二量的粉末材料，以将粉末材料的颗粒熔合到第一层上的至少一个附加层中。 以受控的方式施加脉冲激光能量，使得改变第一和第二量的粉末材料的凝固动力学以促进第一和另外的层的至少一个微结构特征。