SAE AMS 7005-2025 线材送粉等离子弧定向能量沉积增材制造工艺

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For more information on this standard, visit

https://www.sae.org/standards/content/AMS7005/

AEROSPACE

MATERIAL SPECIFICATION

AMS7005™

Issued 2019-01

Reaffirmed 2025-08

Wire Fed Plasma Arc Directed Energy Deposition Additive Manufacturing Process

RATIONALE

This is an initial release specification for plasma arc directed energy deposition additive manufacturing process.

AMS7005 has been reaffirmed to comply with the SAE Five-Year Review policy.

1. SCOPE

1.1 Purpose

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.

1.2 Safety - Hazardous Materials

While the materials, methods, applications, and processes described or referenced in this specification may involve the use

of hazardous materials, this specification does not address the hazards which may be involved in such use. It is the

responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary

precautionary measures to ensure the health and safety of all personnel involved.

2. APPLICABLE DOCUMENTS

The issue of the following documents in effect on the date of the purchase order forms a part of this specification to the

extent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is

specified. When the referenced document has been cancelled and no superseding document has been specified, the last

published issue of that document shall apply.

2.1 ASTM Publications

Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959,

Tel: 610-832-9585, www.astm.org.

ASTM E2587 Standard Practice for Use of Control Charts in Statistical Process Control

ASTM E2281 Standard Practice for Process Capability and Performance Measurement

ASTM F3187 Standard Guide for Directed Energy Deposition of Metals

2.2 ISO Publications

Available from International Organization for Standardization, ISO Central Secretariat, 1, ch. de la Voie-Creuse, CP 56,

CH-1211 Geneva 20, Switzerland, Tel: +41 22 749 01 11, www.iso.org.

ISO/ASTM 52900

Additive Manufacturing

General Principles

Terminology

SAE INTERNATIONAL AMS7005™ Page 2 of 13

2.3 AWS Publications

Available from American Welding Society, 8669 NW 36 Street, #130, Miami, FL 33166-6672, Tel: 1-800-443-9353 or

305-443-9353, www.aws.org.

AWS A3.0/A3.0M Standard Welding Terms and Definitions

3. TECHNICAL REQUIREMENTS

3.1 Process Control Document (PCD)

The PCD shall be established by the Producer, substantiated with respect to the specified requirements, and authorized by

the Cognizant Engineering Organization (CEO). Once substantiated, all aspects of the PCD are a fixed process and any

changes to the PCD shall require substantiation prior to the change being implemented into production. Changes to the

PCD that can affect a Key Process Variable must be authorized by the CEO. All other changes to the PCD must be

acceptable to the CEO. The PCD shall address the following aspects of the PA-DED process:

3.1.1 Key Process Variables

3.1.1.1 The Producer shall establish values, tolerances, and measurement frequency for all Key Process Variables of the

PA-DED process including but not limited to the variables defined in Appendix A. These values and tolerances

shall be substantiated with respect to the specified requirements and be authorized by the CEO. Any change to

a Key Process Variable shall be authorized by the CEO.

3.1.1.2 Process parameters may be omitted from the PCD when substantiated by the Producer and authorized by the

CEO.

3.1.1.3 The values of any Key Process Variables considered proprietary by the Producer may be assigned a code

designation and recorded by the Producer in an internal document. Each variation in such variable value shall be

assigned a modified code designation.

3.1.2 Process Interruption

3.1.2.1 Process interruptions are not permitted unless previously substantiated by the Producer, incorporated in the key

process variables of the PCD, and authorized by the CEO.

3.1.2.2 To substantiate an allowable process interruption, the Producer shall provide documentation demonstrated

through testing or other suitable means that such process interruptions do not affect the quality and performance

of the preform. This documentation shall be provided to the Purchaser prior to acceptance.

3.1.3 Digital File and Software Configuration Control

The Producer shall establish a configuration control system to ensure the correct software and files are used in the

production of components using PA-DED. This system shall include internal procedures to control electronic files,

conversion settings, and machine parameters. All files shall be traceable through revision control and have access control.

3.1.4 Calibration and Verification Plan

3.1.4.1 Procedures for Calibration and Verification shall be established, and substantiated to measure and adjust, at a

minimum, all variables required by the PA-DED machine OEM as well as those identified as required in

Appendix B. The plan shall include procedures, values, tolerances, and frequency of verification of each variable

specific to the application.

3.1.4.2 All procedures performed shall be recorded via manual or electronic means and maintained for a period compliant

with requirements of the ordering documents.

3.1.4.3 When authorized by the CEO, Calibration and Verification variables may be omitted when substantiated to have

no impact on the ability for the part produced to meet the specified requirements.

SAE INTERNATIONAL AMS7005™ Page 3 of 13

3.1.5 Maintenance Plan

3.1.5.1 Procedures for maintenance shall be established and substantiated that include a checklist of activities,

instructions to perform each activity, and the frequency by which that activity shall be completed.

3.1.5.2 At a minimum, maintenance plans shall include all activities and instructions that are required by the PA-DED

machine OEM.

3.1.5.3 Additional maintenance items unique to the installation, facility, or specific application shall also be documented

and included in the maintenance plan.

3.1.5.4 The maintenance plan shall include all ancillary equipment required to meet the specified requirements.

3.1.5.5 All maintenance performed shall be recorded via manual or electronic means and maintained for a period

compliant with requirements of the ordering documents.

3.1.6 Substrate and Feedstock Handling and Storage Plan

Procedures for handling and storage of substrate and feedstock materials shall be established, substantiated, and

authorized by the CEO to meet the requirements defined by the finished part material. At a minimum, the substrate and

feedstock handling plan shall include the following:

• The procedure to substantiate that the substrate and feedstock used in the PA-DED machine complies with the specified

requirements including the inspection procedures

• Storage conditions for the substrate and feedstock

• Substrate and feedstock lot traceability and tracking to maintain traceability compliant with the requirements of the CEO

• Conveyance and transport from any storage location to the PA-DED machine

Additional recommended elements of a feedstock handling and storage plan can be found in Appendix E.

3.1.7 Moisture and Contamination Control Plan

Procedures shall be implemented to minimize the risk of moisture, foreign material, or both that would change the

performance of the items produced in the PA-DED process. The Producer shall identify potential sources of contamination

throughout all aspects of the PA-DED process, including feedstock storage and handling, PA-DED machine, PA-DED

consumables, ancillary equipment, and establish procedures to minimize the sources of such contamination.

3.2 PA-DED Machine Approval

For each individual PA-DED machine, the Producer shall demonstrate that the items fabricated in the PA-DED machine

conform with all requirements of the applicable material specification. The CEO shall define the requirements (number of

specimens, analysis method and acceptance criteria) and the Producer shall meet those requirements. This substantiation

shall be authorized by the CEO prior to implementation into production. Each machine shall meet the following requirements

at a minimum:

• Calibration and verification plan is executed and follows the requirements of 3.1.4

• Preventative maintenance is performed, documented, and is compliant with the requirements of 3.1.5.

• Material testing is performed using specimens extracted from preforms built within the extents of the build envelope

defined in the PCD and orientations in the x-y plane and z direction.

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标签： #线材 #离子 #MS

摘要：

本文详细解读了最新发布的SAE AMS 7005-2025标准，该标准专门针对线材送粉等离子弧定向能量沉积增材制造工艺制定。作为航空航天领域的重要工艺规范，该标准明确了金属粉末与线材混合原料在等离子弧热源下的成型要求、工艺参数控制、材料性能验证及质量检测方法。内容涵盖从设备校准到成品缺陷评估的全流程技术指标，旨在为航空发动机零部件、结构件等高可靠性场景提供标准化操作指南。通过执行该标准，制造商可实现沉积效率与零件致密性的协同优化，确保复杂金属构件在极端工况下的力学性能与疲劳寿命。本文适合增材制造

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SAE AMS 7005-2025 线材送粉等离子弧定向能量沉积增材制造工艺

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