ImageVerifierCode 换一换
格式:PDF , 页数:7 ,大小:259.88KB ,
资源ID:668531      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-668531.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(DIN EN 15771-2010 Vitreous and porcelain enamels - Determination of surface scratch hardness according to the Mohs scale German version EN 15771 2010《玻璃和搪瓷 表面划痕莫氏硬度标准测试法 德文版本EN 157.pdf)为本站会员(explodesoak291)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!

DIN EN 15771-2010 Vitreous and porcelain enamels - Determination of surface scratch hardness according to the Mohs scale German version EN 15771 2010《玻璃和搪瓷 表面划痕莫氏硬度标准测试法 德文版本EN 157.pdf

1、July 2010 Translation by DIN-Sprachendienst.English price group 6No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 25

2、.220.50!$iJ“1703927www.din.deDDIN EN 15771Vitreous and porcelain enamels Determination of surface scratch hardness according to the Mohs scaleEnglish translation of DIN EN 15771:2010-07Emails und Emaillierungen Bestimmung der Ritzhrte nach MohsEnglische bersetzung von DIN EN 15771:2010-07Dterminatio

3、n de la duret superficielle suivant lchelle de MohsTraduction anglaise de DIN EN 15771:2010-07www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 7 pagesvitrifis maux 07.10 DIN EN 15771:2010-07 2 A comma is used as the decimal marker. Natio

4、nal foreword This standard has been prepared by Technical Committee CEN/TC 262 “Metallic and other inorganic coatings” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was the Normenausschuss Materialprfung (Materials Testing Standards Committee), Technical

5、 Committee NA 062-01-63 AA Prfung von Emails und Emaillierungen. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15771 March 2010 ICS 25.220.50 English Version Vitreous and porcelain enamels - Determination of surface scratch hardness according to the Mohs scale maux vitrifis - Dtermination de

6、la duret superficielle suivant lchelle de Mohs Emails und Emaillierungen - Bestimmung der Ritzhrte nach Mohs This European Standard was approved by CEN on 13 February 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Europe

7、an Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English

8、, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, C

9、roatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDA

10、RDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15771:2010: EEN 15771:2010 (E) 2 Contents Page Forewo

11、rd 31 Scope 42 Normative references 43 Terms and definitions .44 Principle 45 Reference minerals 46 Test specimen 57 Procedure .58 Assessment of result 59 Test report 5DIN EN 15771:2010-07 EN 15771:2010 (E) 3 Foreword This document (EN 15771:2010) has been prepared by Technical Committee CEN/TC 262

12、“Metallic and other inorganic coatings”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2010, and conflicting national standards shall be withdr

13、awn at the latest by September 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations

14、, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Ne

15、therlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. DIN EN 15771:2010-07 EN 15771:2010 (E) 4 1 Scope This European Standard specifies a method of test for determining the scratch hardness of the surface of vitreous and porcelain enamel

16、s. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 15206, Vitreous and

17、porcelain enamels Production of specimens for testing enamel on sheet steel, sheet aluminium and cast iron 3 Terms and definitions For the purposes of this document, the following term and definition applies. 3.1 Mohs scale hardness scale of minerals, characterising the scratch resistance of various

18、 minerals through the ability of a harder mineral to scratch a softer mineral 4 Principle The scratch hardness on the Mohs scale, of vitreous and porcelain enamels is determined by drawing certain minerals of defined hardness, on the Mohs scale, by hand over their surface. 5 Reference minerals Refer

19、ence minerals and their Mohs scale hardness are listed in Table 1. Table 1 Reference minerals and their Mohs scale hardness Mineral Mohs scale hardnessTalc 1 Gypsum 2 Calcite 3 Fluorspar 4 Apatite 5 Felspar 6 Quartz 7 Topaz 8 Corundum 9 Diamond 10 DIN EN 15771:2010-07 EN 15771:2010 (E) 5 6 Test spec

20、imen The test specimen shall be prepared in accordance with EN 15206. 7 Procedure 7.1 Place the test specimen of the enamel that is under test on a firm support with the vitreous and porcelain enamel coating uppermost. 7.2 By hand, draw across the surface of the test specimen a sharp edge of the ref

21、erence mineral, starting with fluorspar, applying a uniform effort such that at the end of the test either the edge of the reference mineral or the surface of the test specimen is damaged. Scratch the surface of the test specimen two times with a sharp edge of the reference mineral. 7.3 Examine the

22、test specimen visually for scratches. 7.4 If there are no scratches, repeat steps given in 7.1 to 7.3 with the reference mineral of the next highest Mohs scale hardness. 8 Assessment of result For each test specimen note the mineral of highest Mohs scale hardness that produces no scratches. In the c

23、ase of a test specimen having variable scratch hardness, note the lowest Mohs scale hardness. 9 Test report The test report shall include the following: a) all information necessary for identification of the test specimen; b) reference to this European Standard (EN 15771); c) reference minerals used; d) results of the test as specified in Clause 8, expressed as the Mohs scale hardness for each test specimen; e) any unusual features (anomalies) observed during the test; f) date of the test. DIN EN 15771:2010-07

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