Metallographic Investigation of the Intrinsic Heat Treatment in the Additive Manufacturing of the Steel X40CrMoV5-1
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Abstract
Metallographic and electron microscopic methods were used to understand the microstructural changes occurring during the additive manufacturing of components made of X40CrMoV5-1. In this hardening steel, tempering effects, which can locally be very different, occur as early as during additive manufacturing. For the determination of the micro- and macroscopic microstructural inhomogeneities, this work focused on the metallographic characterization based on macro- and micrographs as well as on hardness measurements. In addition, local inhomogeneities in the chemical composition and the microstructure were characterized by ESMA and EBSD. The examinations were accompanied by the characterization of the powder.
Kurzfassung
Zum Verständnis für die während der Additiven Fertigung von Bauteilen aus X40CrMoV5-1 auftretenden Gefügeveränderungen wurden metallographische und elektronenmikroskopische Methoden angewendet. Bei diesem härtbaren Stahl treten bereits während der Additiven Fertigung Anlasseffekte auf, die lokal sehr unterschiedlich sein können. Der Schwerpunkt lag auf der Charakterisierung über metallographische Makro- und Mikroaufnahmen sowie Härtemessungen zur Bestimmung der mikro- und makroskopischen Gefügeinhomogenitäten. Ergänzend wurde mittels ESMA und EBSD lokale Inhomogenitäten der chemischen Zusammensetzung und des Gefüges charakterisiert. Begleitet wurden die Untersuchungen von der Charakterisierung des Pulvers.
References / Literatur
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© 2020, Carl Hanser Verlag, München
Articles in the same Issue
- Contents/Inhalt
- Contents
- Editorial
- Editorial
- Technical Contributions/Fachbeiträge
- Metallographic Investigation of the Intrinsic Heat Treatment in the Additive Manufacturing of the Steel X40CrMoV5-1
- Microstructure and Mechanical Properties of Al-Mg-Sc-Zr Alloy Modified by Friction-Stir Processing
- Application of Trainable Segmentation to Microstructural Images Using Low-alloy Steels as an Example
- Failure of a Swivel Arm in a Turning Gear Assembly
Articles in the same Issue
- Contents/Inhalt
- Contents
- Editorial
- Editorial
- Technical Contributions/Fachbeiträge
- Metallographic Investigation of the Intrinsic Heat Treatment in the Additive Manufacturing of the Steel X40CrMoV5-1
- Microstructure and Mechanical Properties of Al-Mg-Sc-Zr Alloy Modified by Friction-Stir Processing
- Application of Trainable Segmentation to Microstructural Images Using Low-alloy Steels as an Example
- Failure of a Swivel Arm in a Turning Gear Assembly
