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Standard

Wire Fed Plasma Arc Directed Energy Deposition Additive Manufacturing Process
2019-01-31
CURRENT
AMS7005
This specification establishes process controls for the repeatable production of preforms by Wire Fed Plasma Arc Directed Energy Deposition (PA-DED). It is intended to be used for aerospace parts manufactured using Additive Manufacturing (AM) metal alloys, but usage is not limited to such applications.
Standard

Titanium Alloy Preforms from Plasma Arc Directed Energy Deposition Additive Manufacturing on Substrate, Ti-6Al-4V, Stress Relieved
2024-01-19
WIP
AMS7004A
This specification covers preforms fabricated up through 5.5 inches (140 mm) inclusive in deposition width thickness (see 8.2.5) using a Plasma Arc Directed Energy Deposition (PA-DED) additive manufacturing process on a Ti-6Al-4V substrate that are subjected to post-deposition stress relief heat treatment. This is a wire fed additive manufacturing process. If required by the CEO, preforms may require subsequent machining to meet requirements for their intended final part application.
Standard

Titanium Alloy Preforms from Plasma Arc Directed Energy Deposition Additive Manufacturing on Substrate Ti-6Al-4V Stress Relieved
2019-01-31
CURRENT
AMS7004
This specification covers preforms fabricated up through 5.5 inches (140 mm) inclusive in deposition width thickness (see 8.2.5) using a Plasma Arc Directed Energy Deposition (PA-DED) additive manufacturing process on a Ti-6Al-4V substrate that are subjected to post-deposition stress relief heat treatment. This is a wire fed additive manufacturing process. If required by the CEO, preforms may require subsequent machining to meet requirements for their intended final part application.
Standard

Taxonomy and Definitions for Terms Related to In Situ Process Monitoring Modality-Capability Index
2022-11-17
WIP
ARP7065
This document describes in situ process monitoring systems of additive manufacturing equipment that assess performance or capability to maintain a stable additive manufacturing process and potentially perform part or all of feed forward control (FFC) for continued operations on an intermittent or sustained basis. It provides a taxonomy with detailed definitions for seven levels of in situ process monitoring systems, ranging from machine input monitoring (Level 0) to in-process flaw detection with correction of such flaw using full process automation (Level 5), in the context of AM machine equipment and their operation in a manufacturing environment.
Standard

Process Requirements for Production of Metal Powder Feedstock for Use in Additive Manufacturing of Aerospace Parts
2022-05-16
CURRENT
AMS7002A
This specification is to prescribe process requirements for production (from raw materials through preparation for shipment, see 8.6) of metal powder feedstock for use in additive manufacturing of aerospace parts. This specification covers requirements for the production of metal powder for use as feedstock in additive manufacturing. Such powders may be pre-alloyed or commercially pure. This specification is not limited to a specific powder production method. It is intended to define those procedures and requirements necessary to achieve required cleanliness and performance of metal powder feedstock to be used in the manufacture of aerospace parts. This specification is intended to be used in conjunction with AMS powder specifications for additive manufacturing.
Standard

Powder Sampling Strategies for Closed Loop Additive Manufacturing Equipment
2023-04-20
WIP
ARP7302
This SAE Aerospace Recommended Practice (ARP) describes methods to collect powder from an additive manufacturing (AM) powder bed process when executed by closed loop equipment. The methods recommended here are meant to provide opportunities to demonstrate conformance to powder specification requirements when required as part of process control for the associated AM activity.
Standard

Powder History Metric and Labeling Schema
2022-11-22
CURRENT
ARP7044
This SAE Aerospace Recommended Practice (ARP) describes a method to measure, track, and characterize the history of powder feedstock when consumed in the production of parts via additive manufacturing (AM). The history captured as part of this ARP includes AM process exposure, feedstock consumption, blending, and losses associated with the totality of the AM workflow. This document also outlines a two-part metric schema for used powder feedstock consequential of its process exposure history. This metric schema also enables aligning risk determination and usage practices for used powder when based on a correlation between tabulated values in the scheme and user-identified metrics. These correlated metrics with schema values may also be used when establishing powder blending workflows or identifying end-of-life for feedstock.
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