AMS-2771B-航空材料规范-铝合金铸件的热处理
- 格式:doc
- 大小:249.50 KB
- 文档页数:19
SAE 海陆空机动性推进工程学会AEROSPACE MA TERIAL SPECIFICATION航空材料规范AMS 2771BIssued OCT 1987 1987年10月出版Revised AUT 2000 2000年8月修订Superseding AMS 2771A 代替AMS2771A(R)Heat Treatment of Aluminum Alloy Castings(R)铝合金铸件的热处理1. SCOPE:1. 范围1.1 Purpose:This specification covers the engineering requirements for heat treatment of aluminum alloy castings and for parts machined from castings.1.1 目的本规范涵盖了铝合金铸件以及铸件加工而成的零件的热处理工程要求。
1.1.1 MAM 2771 is the metric version of this specification.1.1.1 MAM 2771 是本规范的公制版本。
1.2Application:1.2 适用:This specification is applicable to castings of the following aluminum alloys and modifications. (See 8.2.8)本规范适用于如下铝合金铸件及其变型(见8.2.8)201.0203.0206.0222.0242.0243.0295.0319.0328.0333.0336.0354.0355.0356.0357.0358.0359.0520.0SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.”SAE 技术标准委员会规则规定:“本报告由SAE发布,用以推进技术及工程科学的状态。
使用本报告完全出于自愿,本报告如用于特殊用途,包括由此引起的任何专利侵权,由使用者负责。
SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.SAE至少每五年检查各技术报告,同时可能重审,修订,或取消。
SAE欢迎您的书面意见和建议。
Copyright 2000 Society of Automotive Engineers, Inc.All rights reserved.美国机动工程师协会版权所有2000保留所有权利QUESTIONS REGARDING THIS DOCUMENT: (724) 772-7161 FAX: (724) 776-0243 TO PLACE A DOCUMENT ORDER: (724) 776-4970 FAX: (724) 776-0790 SAE WEB ADDRESS: http://www.sae.rog若对本文献有疑问,请致电:(724) 772-7161 FAX: (724) 776-0243若要购买本文献,请致电:(724) 776-4970 FAX: (724) 776-0790SAE网站:http://www.sae.rog1.2 (Continued):1.2 (续)705.0707.0712.0850.0851.0852.01.3 When AMS 2771 is specified and specific heat treat processing instructions are included in thematerial specification, the equipment and control requirements of AMS 2771 shall apply. For alloys not specifically covered, the provisions of this specification shall be applicable, but temperatures, times, and quenching procedures shall be specified by the purchaser.1.3 AMS2771 规定了材料规范中包括热处理过程说明,应使用AMS2771设备和控制要求。
未明确涵盖的合金,本规范的条款应适用,但温度、时间和淬火工序应由买方确定。
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 canceled and no superseding document has been specified, the last published issue of that document shall apply.2. 适用文献如下文献的发布在买方的订单成为本规范的一部分之日起开始生效。
供应方应随后对文件作修改,除非已规定了明确的文件版本。
如果所参考的文献已被撤消,又未指定替代文献,应使用该文献的最后一次版本。
2.1 SAE Publications:2.1 SAE 出版物:Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15.96-0001.SAE, 400 Commonwealth Drive, Warrendale, PA 15.96-0001有售。
AMS 2750 PyrometryAMS 2770 Heat Treatment of Aluminum Alloy PartsAMS 3025 Polyalkylene Glycol Heat Treat QuenchantARP 1962 Training and Approval of Heat-Treating PersonnelAMS 2750 高温计AMS 2770 铝合金零件的热处理AMS 3025 聚氧化烷撑(Polyalkylene Glycol)热处理淬火剂ARP 1962 热处理的员培训及认可3. TECHNICAL REQUIREMENTS:3. 技术要求:3.1 Equipment:3.1 设备Equipment used for thermal processing shall conform to the requirements of this specification and AMS 2750, except (1) requirements for working zone controls, instruments and sensors shall apply to all heating zones of continuous and semi-continuous furnaces and (2) recordings from instruments may be stored on magnetic or optical media providing a hard copy is available on request.用于热处理的设备应符合本规范和AMS 2750的要求,除了(1)工作区控制,仪器和传感器的要求应运用于所有连续和半连续冶金炉的加热区,并且(2)仪器上的记录应保存于磁性介质或光学介质上,可按要求提供复印件。
3.1.1Pyrometry: Shall meet the requirements of AMS 2750.3.1.1 高温计:应符合AMS 2750的要求3.1.2 Furnaces:3.1.2 冶金炉:3.1.2.1 Heating Media: Shall be air, protective atmosphere, combusted gases, molten salt bath, oil bath, of fluidized bed. Electrical heating elements and radiant tubes shall be shielded to prevent direct radiation from striking any part. The products of combustion in the furnace, and the composition and maintenance of salt baths and fluidized beds shall be such as to prevent attack or contamination of the parts. Ammonium fluoroborate, or equivalent, may be used in air furnaces as necessary. Nitrate salt baths shall not be used to heat treat 520.0 alloy due to a potential explosion safety hazard.3.1.2.1 加热介质:应该为空气,保护性气氛,燃烧气体,熔融盐槽,油槽,流化床。