Purpose

This paper aims to investigate the effects of various heat treatments on microstructure, hardness, porosity and corrosion properties of the parts.

Design/methodology/approach

Hot isostatic pressing (HIP) process, various heat treatments and their combinations were applied to the AlSi10Mg parts produced by direct laser metal sintering (DMLS).

Findings

It has been found that the HIP process, which is a post-processing process, reduces the amount of porosity in DMLS-AlSi10Mg material, thus improves corrosion resistance significantly.

Originality/value

In this study, the HIP process and subsequent T6 heat treatments were applied to AlSi10Mg parts produced by the DMLS technique. The study aims to increase the corrosion resistance of AlSi10Mg parts by reducing porosity with the HIP process and by altering the microstructure with the T6 process.

中文翻译：

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热等静压和热处理对直接金属激光烧结件结构和腐蚀性能的影响

目的

本文旨在研究各种热处理对零件的显微组织、硬度、孔隙率和腐蚀性能的影响。

设计/方法/方法

热等静压 (HIP) 工艺、各种热处理及其组合应用于通过直接激光金属烧结 (DMLS) 生产的 AlSi10Mg 部件。

发现

已经发现，作为后处理工艺的 HIP 工艺减少了 DMLS-AlSi10Mg 材料中的孔隙量，从而显着提高了耐腐蚀性。

原创性/价值

在这项研究中，HIP 工艺和随后的 T6 热处理应用于通过 DMLS 技术生产的 AlSi10Mg 部件。该研究旨在通过使用 HIP 工艺减少孔隙率并通过使用 T6 工艺改变微观结构来提高 AlSi10Mg 部件的耐腐蚀性。