ImageVerifierCode 换一换
格式:PDF , 页数:3 ,大小:22.81KB ,
资源ID:750049      下载积分:10000 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
注意:如需开发票,请勿充值!
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【http://www.mydoc123.com/d-750049.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: 微信登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(FORD WSE-M1P92-A1-2010 MOLYBDENUM AND NICKEL CHROMIUM ALLOY FACING CO-DEPOSITED TO BE USED WITH FORD WSS-M99P1111-A 《共同沉淀的钼和镍铬合金饰面 与福特WSS-M99P1111-A 一起使用》.pdf)为本站会员(syndromehi216)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

FORD WSE-M1P92-A1-2010 MOLYBDENUM AND NICKEL CHROMIUM ALLOY FACING CO-DEPOSITED TO BE USED WITH FORD WSS-M99P1111-A 《共同沉淀的钼和镍铬合金饰面 与福特WSS-M99P1111-A 一起使用》.pdf

1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 09 28 N-STATUS No replacement G. Weber, NA 2003 07 31 Revised Para 3.0 inserted; Para 3.1, 3.9, 4 deleted 1996 02 29 Activated P. Lee Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, Inc. Page 1 of 3 MOLYBDENUM AN

2、D NICKEL, CHROMIUM ALLOY FACING, WSE-M1P92-A1/A2 CO-DEPOSITED NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a mixture of molybdenum and nickel-chromium hardening alloy powders, applied with a plasma spray gun. 2. APPLICATION This specification was released orig

3、inally for a facing applied to the surface of parts to obtain increased wear and scuff resistant properties. The original release of this specification is for deposition on the O.D. surface of cast iron piston compression rings in an internal combustion engine. 3. REQUIREMENTS 3.0 STANDARD REQUIREME

4、NTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 POWDER MIXTURE A1 A2 Molybdenum (99% min purity) 67 80% 55 75% Nickel Chromium Alloy 20 33% 21 33% (see para 3.2) Chrome Carbide (98% p

5、ure) 4 12% 3.3 NICKEL-CHROMIUM ALLOY CHEMISTRY Nickel 64.0 75.0 Chromium 13.0 20.0 Boron 2.75 4.75 Silicon 3.0 5.0 Iron 3.0 5.0 Cobalt 1.0 max Carbon 0.6 1.3 3.4 THICKNESS As specified on engineering drawing Material in sprayed and deposited condition is rough and uneven. Material is generally spray

6、ed to a thickness greater than required, and ground or lapped approximately 0.05 mm deep to specified thickness and surface finish. Thickness to be determined on a metallurgical cross section sample mounted and polished. ENGINEERING MATERIAL SPECIFICATIONWSE-M1P92-A1/A2 Printed copies are uncontroll

7、ed Copyright 2010, Ford Global Technologies, Inc. Page 2 of 3 3.5 SURFACE HARDNESS 320 min HV 0.5 (ISO 6507/2) 3.6 MICROSTRUCTURE The microstructure of the facing, on a metallurgical mounted and polished cross section, shall be a layered structure of uniformly distributed molybdenum and nickel-chrom

8、ium phases caused by the impact of molten particles upon the surface. Volume content and composition of the facing as determined by quantitative metallurgical system shall be as follows: A1 A2 Molybdenum, min 50% 40% Nickel Chromium, Chrome 20% 30% Carbide, min Porosity, max 15% 15% Occasional isola

9、ted unmelted particles are acceptable, however clusters of unmelted particles are not acceptable. Interphase fusion must be essentially complete, evidence of incomplete fusion or bonding between phases or phases or phases to base material is not acceptable. 3.7 COATING ADHESION 3.7.1 Cast Iron After

10、 shock loading the edge of the parts to cause the coating to rupture (such as a hammer blow upon the ring O.D. while resting flat on side on an anvil), the resulting fracture shall show failure only at the localized point of impact in the facing layer and no failure at the bond interface of the faci

11、ng with the base metal outside the deformed impact area. 3.7.2 Steel The bond quality is evaluated by subjecting the ring to sufficient mechanical deformation to cause the coating to separate from the groove. Subsequently the groove base is examined at 30X to determine coating surface area coverage.

12、 The minimum acceptable coverage representative of the separated area on the groove base is: A1 A2 70% 60% 3.8 QUALITY The deposited and ground or lapped facing shall possess a uniformly grayish appearance with no breaks, heavy pits or other imperfections that would detrimentally affect the part for

13、 the intended service. The surface shall not have pores greater than 0.51 mm in length or diameter in either direction and 75% of pores shall be less than 0.25 mm. ENGINEERING MATERIAL SPECIFICATIONWSE-M1P92-A1/A2 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, Inc. Page 3

14、of 3 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 CHEMICAL COMPOSITION OF FACING A1 A2 Molybdenum 65.0 80.0 50.0 70.0 Nickel 13.0 25.0 15.0 30.0 Chromium 2.5 7.0 5.0 15.0 Boron 0.5 2.0 0.5 2.0 Silicon 0.5 2.0 0.5 2.0 Iron 0.5 2.0 0.5 2.0 Carbon 0.1 1.0 0.5 2.0 5.2 PARTICLE HARDNESS OF LAYERED PHASES Molybdenum, HV 0.5 300 1,050 300 1,050 Nickel-Chromium, HV 0.5 350 1,400 350 1,400

copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1