NAVY MIL-P-85856-1988 POWDER MATERIALS FOR FLAME AND PLASMA SPRAYED COATINGS GENERAL SPECIFICATION FOR [Refer To NAVY A-A-59315]《等离子喷涂涂层火焰粉体材料的通用规范[参见海军A-A-59315]》.pdf
《NAVY MIL-P-85856-1988 POWDER MATERIALS FOR FLAME AND PLASMA SPRAYED COATINGS GENERAL SPECIFICATION FOR [Refer To NAVY A-A-59315]《等离子喷涂涂层火焰粉体材料的通用规范[参见海军A-A-59315]》.pdf》由会员分享,可在线阅读,更多相关《NAVY MIL-P-85856-1988 POWDER MATERIALS FOR FLAME AND PLASMA SPRAYED COATINGS GENERAL SPECIFICATION FOR [Refer To NAVY A-A-59315]《等离子喷涂涂层火焰粉体材料的通用规范[参见海军A-A-59315]》.pdf(12页珍藏版)》请在麦多课文档分享上搜索。
1、MIL-P-855b 3Lt E 47777Ob 0258253 8 E /-I- - r -a METRIC MIL-P-85856 7 December 1988 MILITARY SPECIFICATION POWDER MATERIALS FOR FLAME AND PLASMA SPRAYED COATINGS This specification 1s approved for use by all Department and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification
2、 describes three (3) material categories for use in constructing thermal spray coatings, consisting of metallic andlor non-metallic components. These powdered materials may be suitable for application using either plasma arc or combustion gas (flame spray) techniques. 1.2 Classification. Thermal spr
3、ay powders covered in shall be according to the following Types (chemical compos (particle size distribution). his specifi cation tion) and Classes 1.2.1 Types. Type I - Metallics Type II - Non-Metallics Type III - Mixtures of either Type I and Type I, Type I and Type II or Type II and Type II mater
4、ials. 1.2.2 Classes. Class 1 - Fine powders, predominately less than 45 Class 2 - Coarse powders, predominately greater than 45 microns (-325 mesh). microns (+325 mesh). 1.2.3 Compositions - As defined in individual detail specification sheets. Beneficial comments (recommendations, additions, deleti
5、ons) and any pertinent data which may be of use in improving this document should be addressed to: Systems Engineering and Standardization Department (Code 531, Naval Air Engineering Center, Lakehurst, NJ 08733-5100, by using the self-addressed standardization Document Improvement Proposal (DD Form
6、1426) appearing at the end of this document or by letter. AMSC NIA FSC 3439 DISTRIBTION STATEMENT A. Approved for public release; distribution is unlimited. THIS DOCUMENT CONTAINS !2 PAGES; Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-85856
7、2. APPLICABLE DOCUMENTS 2.1 -documents. 2.1.1 Specifications and standards. The following specifications and standards form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in that issue of the Department of Defen
8、se Index of Specifications and Standards (DoDISS) ans supplement thereto cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL PPP-C-186 - Containers, Packaging and Packing for Drugs, Chemical s, and Pharmaceutical s STANDARDS FEDERAL FED-STD-313 - Material Safety Data Sheets, Preparation and
9、Submission of MI LI TARY MI L-STD-129 - Marking for Shipment and Storage (See supplement 1 for list of associated specifications) (Unless otherwise indicated, copies of federal and military specifications ans standards are available from the Naval Publications and Forms Center, (ATTN: NPODS), 5801 T
10、abor Avenue, Philadelphia PA 19120-5099.) this specification to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted shall be those listed in the issue of the DODISS cited in the solicitation. specified, the issues of documents not listed in the
11、DODISS are the issue of the documents cited in the solicitation (see 6.2). 2.2 Non-Government publications. The following documents form a part of Unless otherwise AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM B 214 - Standard Method of Test for Sieve Analysis of Granular Metal Powder ASTM
12、B 215 - Sampling Finished Lots of Metal Powders ASTM C 117 - Test Method for Materials Finer Than 75 um (no. 200) ASTM C 633 Sieve in Mineral Aggregates by Washing. Adhesion of Cohesive Strength of Flame Sprayed Coatings - c e 0 2 Provided by IHSNot for ResaleNo reproduction or networking permitted
13、without license from IHS-,-,-n1-85856 34- = 9999906 0258255 L M MIL-P-85856 ASTM E 11 - Wire Cloth Sieves for Testing Purposes. ASTM E 18 - Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materials El ectri ca Al loys ASTM E 384 - Standard (Application for copies should ASTM E 354 -
14、Metallic Chemical Analysis of High Temperature, , and Other Similar Iron, Nickel, and Cobalt est Method for Microhardness be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) (Nongovernment standards and other publications are normally available
15、from the organizations which prepare or which distribute the documents. documents also may be available in or through libraries or other informational services.) These 2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein (except for as
16、sociated detail specifications), the text of this document shall take precedence. Nothing in this document, however, shall supersede applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Associated detail specifications. The individual item requirements 0
17、 shall be as specified herein and in accordance with the applicable detail specifications. specification and the detail specifications, the latter shall govern. In the event of any conflict between the requirements of this 3.2 First article. First article inspection may consist of a preproduction sa
18、mple or a first article sample selected from the first production lot of the contract or purchase order. It shall be inspected in accordance with 4.4.(see 6.3). 3.3 Chemical and physical properties. The chemical and physical properties shall conform to 3.3.1 through 3.3.4, as specified in the detail
19、 specification sheet, when tested as spec fied in 4.6. 3.3.1 Vi sua1 appearance. Al 1 therma shape and color; clean; dry, non-packing determined in 4.6.1. spray powders shall be of uniform and free of contaminants as 3.3.2 Chemical composition. The chemical composition shall be as specified in the a
20、pplicable detail specification sheet and determined in accordance with 4.6.2. The formulation and source of raw material shall be maintained and recorded in accordance with 4.5.1. 3.3.3 Particle size/distribution analysis. The powder particle size and gistribution shall be as specified in the applic
21、able specification sheet and determined in accordance with 4.6.3. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-BSCb 34 979990b 0125ZSb 3 m MI L- P-8 58 5 6 3.3.4 Sprayability. The materials ability to flow in a satisfactory manner and cons
22、truct an acceptable thermal spray deposit shall be demonstrated. Acceptance criteria shall be as specified herein and in the applicable specification sheet when determined in accordance with 4.6.4. 3.3.4.1 Macroscopic examination. The as-sprayed coating when examined at 10 to 20x magnification shall
23、 have a uniform appearance, Surface defects shall be limited to small nodules not to exceed 1.14mm (0.045 in) in diameter and shall not exceed 0.38mm (0.015 in) above the surrounding sprayed surface. The coating shall not contain any: (a) Blisters (b) Cracks (c) Chips or loosely-adhering particles (
24、d) Pits exposing the undercoat or substrate metal lographic laboratory methods for thermal spray coatings shall show microstructures containing the specific characteristics for the coating composition under evaluation including interface condition, cracks, porosity, oxides and oxide stringers, globu
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