SAE AMS 2547A-2025 利用计算机辅助工程对金属部件和材料进行电抛光

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recording, or otherwise, or used for text and data mining, AI training, or similar technologies, without the prior written permission of SAE.

TO PLACE A DOCUMENT ORDER: Tel: 1-877-606-7323 (U.S. and Canada only)

Tel: 1-724-776-4970 (outside U.S. and Canada)

Fax: 724-776-0790

Email: CustomerService@sae.org

SAE WEB ADDRESS: http://www.sae.org

For more information on this standard, visit

https://www.sae.org/standards/content/AMS2547A/

AEROSPACE

MATERIAL SPECIFICATION

AMS2547™

REV. A

Issued 2020-04

Revised 2025-12

Superseding AMS2547

Electropolishing of Metallic Parts and Materials Using Computer Aided Engineering

RATIONALE

AMS2547A is the result of a Five Year Review and update of this specification with changes to Ordering Information,

Purpose (see 1.1), Authority (see 1.4), Fixture/Electrical Contact Locations (see 3.4.3), Properties (see 3.6.4), Responsibility

for Inspection (see 4.1), Periodic Tests (see 4.2.2.1), Control Factors (see 4.4.3), and Notes (see 8.4).

NOTICE

ORDERING INFORMATION: The following information shall be provided to the electropolishing processor by the purchaser.

1. Purchase order shall specify not less than the following:

• AMS2547A

• Quantity of pieces to be electropolished

• Basis metal and heat-treatment condition to be electropolished

• Before process and after process dimensions (see 3.6.3)

• Surface texture in microinches of electropolished parts, if required (see 3.6.1)

• Optional: surface texture on internal surfaces, if required (see 3.1)

• Optional: instructions for racking isolation (see 3.4.2)

• Optional: fixture/electrical contact locations, when not specified (3.4.3)

• Special features, geometry, or processing present on parts that require special attention by the electropolishing

processor

• Defined P-zones on the part where surface texture is measured (see 2.2 and 3.6.1)

• Locations within P-zones where surface texture measurements are to be taken (see 4.3.3)

• Periodic testing frequency and sample quantity, if different from 4.2.2

SAE INTERNATIONAL AMS2547™A Page 2 of 8

• Whether approval is based on approval of process/control factors or sample part or both (see 4.4.1)

• Methods for determination of embrittlement, pitting, and selective attack (see 3.6.4)

2. Parts manufacturing operations such as heat treating, forming, joining, and media finishing can affect the condition of

the substrate for electropolishing or, if performed after electropolishing, can affect the final condition of the parts. The

sequencing of these types of operations should be specified by the cognizant engineering organization (CEO) or the

purchaser and is not controlled by this specification.

1. SCOPE

1.1 Purpose

This specification establishes engineering requirements for electropolishing metallic parts and materials using Computer

Aided Engineering simulation to reduce the process risks related to electropolishing.

1.2 Application

This specification is applicable to critical and noncritical metallic parts, but usage is not limited to such applications. Following

the electropolishing process, metal parts have improved deburring, micro-finish value, and enhanced corrosion resistance.

1.3 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 that may be involved in such use. It is the sole

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.

1.4 Authority

The CEO may impose requirements or approve allowances that supersede the requirements in this AMS.

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 SAE Publications

Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (U.S. and

Canada only) or +1 724-776-4970 (outside U.S. and Canada), www.sae.org.

ARP4992 Periodic Test for Processing Solutions

AS7766 Terms Used in Aerospace Metals Specifications

2.2 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 B374 Terminology Relating to Electroplating

SAE INTERNATIONAL AMS2547™A Page 3 of 8

2.3 ASME Publications

Available from ASME, Two Park Avenue, New York, NY 10016-5990, Tel: 800-843-2763 (U.S./Canada), 001-800-843-2763

(Mexico), 646-616-3100 (outside North America), www.asme.org.

ASME B46.1 Surface Texture (Surface Roughness, Waviness, and Lay)

2.4 ISO Publications

Copies of these documents are available online at www.iso.org/store.

ISO 1302 Indication of surface texture in technical product documentation

2.5 Definitions

Terms used in AMS are defined in AS7766, ASTM B374, and as follows:

2.5.1 P-ZONE

A test zone located on a part.

3. TECHNICAL REQUIREMENTS

3.1 Software

Shall be an engineering simulation tool that takes into account the entire configuration of the electropolishing process,

namely:

• Physicochemical characteristics of the electropolishing solution used in combination with the substrate material of parts.

• Configuration of the electropolishing tank(s), including electrolyte level, indication of flow inlet and outlet system, position

and dimension of cathodes, current robbers and/or shields and/or conforming cathodes, and position of rack(s).

• Current/voltage source and process parameters.

• Geometrical description of the part.

• Surface texture of electropolished parts, if specified.

• Surface texture on internal surfaces, if specified.

3.2 Solutions

3.2.1 Electrolyte

Shall be a solution suitable for the material used and its alloy grade and condition. The solution shall not cause embrittlement

of parts or equipment.

3.3 Equipment

3.3.1 Tanks

Shall be fabricated from a material that is suitable for containment of the electrolyte being used. Cathode material shall be

insoluble in the electrolyte.

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标签： #电解抛光 #计算机辅助工程（CAE） #耐腐蚀性能

摘要：

AMS2547™ Rev. A《Electropolishing of Metallic Parts and Materials Using Computer Aided Engineering》是由 SAE International（国际自动机工程师学会）发布的航空航天材料规范。本规范针对基于计算机辅助工程（CAE）的金属零部件与材料电解抛光工艺，规定了工艺参数、质量控制、检测方法及 CAE 建模要求，通过数字化手段优化电解抛光过程，实现航空航天金属件的高精度表面处理，提升其耐腐蚀、抗疲劳性能与表面光洁度。

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SAE AMS 2547A-2025 利用计算机辅助工程对金属部件和材料进行电抛光

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