Method for manufacturing a hybrid component

A technology for mixing components and components, applied in the field of high temperature resistant components and manufacturing hybrid components, can solve the problems of low construction rate, high manufacturing cost, long process time, etc., and achieve the effect of high life and operating performance

Inactive Publication Date: 2014-09-03
ANSALDO ENERGIA IP UK LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] Unfortunately, additive manufacturing such as SLM has a low build rate as a disadvantage
This is an obstacle to its commercial success due to long process times and associated high manufacturing costs and low to moderate volume production yields

Method used

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  • Method for manufacturing a hybrid component

Examples

Experimental program
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Effect test

Embodiment Construction

[0075] As mentioned in the prior art above, one feature of powder-based additive manufacturing techniques is the strong anisotropy of material properties due to the layer-by-layer build-up process.

[0076] It has been shown that the mechanical properties along the Z direction differ from those in the X-Y plane, which is the plane of the powder. The Young's modulus along the Z direction (build direction) is generally lower than the Young's modulus in the X-Y plane. this is in Figure 6 As shown in , the figure is for a sample fabricated from Hastelloy™X by additive manufacturing using two different scanning strategies, which means two different scanning patterns, and at room temperature RT and at Tested at a temperature of 750°C. Young's modulus is measured "as built" condition. Due to the inherently high cooling rates of powder-based article production and energy beam-material interactions in these processes, the material is very homogeneous in chemical composition and in ...

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PUM

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Abstract

The invention refers to a method for manufacturing a hybrid component (11) comprising the steps of a) manufacturing a preform (2) as a first part of the hybrid component (11), then b) successively building up on that preform (2) a second part of the component (11) from a metallic powder material (12) by means of an additive manufacturing process by scanning with an energy beam (14), thereby c) establishing a controlled grain orientation in primary and in secondary direction of at least a part of the second part of the component (11), d) wherein the controlled secondary grain orientation is realized by applying a specific scanning pattern of the energy beam (14), which is aligned to the cross section profile of said component (11) or to the local load conditions for said component (11).

Description

technical field [0001] The present invention relates to the art of high temperature resistant components, especially hot gas path components for gas turbines. The invention relates to a method for producing hybrid components, preferably metal, by laser additive manufacturing, such as selective laser melting (SLM), selective laser sintering (SLS) or electron beam melting (EBM) in combination with conventional manufacturing techniques Methods for mixing components. Background technique [0002] Additive manufacturing has become an increasingly attractive solution for the fabrication of metal functional prototypes and metal components. Currently known SLM, SLS and EBM methods use powdered materials as matrix materials. Components or objects are generated directly from the powder bed. Other additive manufacturing methods such as Laser Metal Forming (LMF), Laser Engineered Net Shape (LENS) or Direct Metal Deposition (DMD) locally melt material onto existing parts. This freshl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F7/08B22F3/105
CPCB22F7/06B22F5/009B22F3/1055B29C67/0088B23P6/007B23K26/0093B23P15/00C30B29/00B22F7/04B22F2007/042Y10T428/31678B29C67/0077B23P15/04Y02P10/25B22F10/28B22F10/366B22F12/90B22F10/38B22F10/64B22F3/105B22F7/00B23K26/08B29C64/393
Inventor M.霍伊贝T.伊特M.康特J.舒尔布
Owner ANSALDO ENERGIA IP UK LTD
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