BS EN ISO 12224-3-2003 Solder wire solid and flux cored - Specification and test methods - Wetting balance test method for flux core solder wire efficacy《实心和管状钎料焊丝 规范和试验方法 管状钎料焊丝效能.pdf

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1、BRITISH STANDARD BS EN ISO 12224-3:2003 Incorporating Corrigendum No. 1 Solder wire, solid and flux cored Specifications and tests methods Part 3: Wetting balance test method for flux core solder wire efficacy The European Standard EN ISO 12224-3:2003 has the status of a British Standard ICS 25.160.

2、50 BS EN ISO 12224-3:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 27 May 2003 BSI 22 July 2003 ISBN 0 580 41935 5 National foreword This British Standard is the official English language version of EN ISO 12224-3:2003. It is identical

3、 with ISO 12224-3:2003. The UK participation in its preparation was entrusted to Technical Committee NFE/27/4, Solders and soldering fluxes, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The Britis

4、h Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Onlin

5、e. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsibl

6、e international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, t

7、he EN ISO title page, the EN ISO foreword page, the ISO title page, pages ii and iii, a blank page, pages 1 to 8, the Annex ZA page and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comme

8、nts 14595 Corrigendum No. 1 22 July 2003 Correction to EN ISO foreword page and incorporating the Annex ZA pageEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO122243 May2003 ICS25.160.50 Englishversion Solderwire,solidandfluxcoredSpecificationsandtests methodsPart3:Wettingbalancetestmethodforflu

9、xcore solderwireefficacy(ISO122243:2003) Filsdapportdebrasage,pleinsetfluxincorpor SpcificationsetmthodesdessaiPartie3:Mthodes dessailabalancedemouillagedelefficacitdesfils fluxincorpor(ISO122243:2003) MassiveLotdrhteundflussmittelgefllteRhrenlote AnforderungenundPrfverfahrenTeil3:Bestimmungder Flus

10、smittelwirkungvonflussmittelgeflltenRhrenlotenmit derBenetzungswaage(ISO122243:2003) ThisEuropeanStandardwasapprovedbyCENon16April2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalter

11、ation.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberint

12、oitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,Switz

13、erlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO122243:2003ECORRECTED20030702

14、 Foreword Thisdocument(ENISO122243:2003)hasbeenpreparedbyTechnicalCommitteeISO/TC44 “Weldingandalliedprocesses“incollaborationwithTechnicalCommitteeCEN/TC121 “Welding“,thesecretariatofwhichisheldbyDS. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationof anidenticaltexto

15、rbyendorsement,atthelatestbyNovember2003,andconflictingnational standardsshallbewithdrawnatthelatestbyNovember2003. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsof thefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Czech Republic,Denmark,Fin

16、land,France,Germany,Greece,Hungary,Iceland,Ireland,Italy, Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,Switzerlandand theUnitedKingdom. Endorsementnotice ThetextofISO122243:2003hasbeenapprovedbyCENasENISO122243:2003withoutany modifications. NOTENormativereferencestoInternationa

17、lStandardsarelistedinAnnexZA(normative). ENISO122243:2003 Reference number ISO 12224-3:2003(E) OSI 3002INTERNATIONAL STANDARD ISO 12224-3 First edition 2003-05-01 Solder wire, solid and flux cored Specifications and test methods Part 3: Wetting balance test method for flux cored solder wire efficacy

18、 Fils dapport de brasage, pleins et flux incorpor Spcifications et mthodes dessai Partie 3: Mthode dessai la balance de mouillage de lefficacit des fils flux incorpor SBENISO122243:2003IS-42221 O3:(3002E) DPlcsid Fremia ihTs PDF file mya ctnoian emdebt dedyfepcaes. In ccacnadrow eitA hebods licnesil

19、op gnic,y tihs file mirp eb yatnde iv roweb detu slahl ton ide ebtlnu deess teh typfecaes wihce era hml era deddebicsnede ti dna onstlalde t noeh comuptfrep reromign tide ehtin.g In wodlnidaot gnihs fil,e trapise atpecc tiereht nser ehnopsiiblity fo nto ifnriigngn Aebods licnesilop gnic.y ehT ISO tn

20、eClar Secrteirata caceptl on siibality in this .aera Ai ebods a tedarmfo kra Aebod SystemI snctaropro.de teDials fo teh sfotwcudorp erats sut deo crtaee tihs PDF file cna f ebi dnuon tlareneG eh Ifnler oatit evt oeh file; tP ehDc-Frtaeino marapterew stpo ereimizde fro irptni.gn Evyre cera neeb sah t

21、akne tsne oeru taht teh file is siutlbae fosu re yb ISO memdob rebeis. In tlnu ehikletneve y ttah lborp aem lertait gno it is f,dnuo plsaee ifnrom ttneC ehlar Secterirata ta teh serddaig sleb nevwo. ISO 3002 All irthgs erse.devr lnUeto sswrehise specified, on trap fo this lbupictaion maeb y cudorper

22、ro de tuilizi den yna form ro na ybm ynae,s lecetrinoc ro mceinahcla, incliduntohp gcoiypodna gn micrfoilm, wittuoh repmissii now nritign from ietI rehSa Ot tsserdda eh ebolw or ISOs memreb i ydobn the cnuotfo yr ttseuqer ehe.r ISO cirypothg fofice saCe tsopale 65 eneG 1121-HC 02 av leT. 4 + 10 947

23、22 1 11 xaF0 947 22 14 + 9 74 E-mial coirypthgis.o gro We bwww.is.o groii ISO 3002 Allr ihgtsser edevrBSENISO122243:2003IS-42221 O3:(3002E) I SO 3002 All irhgts seredevr iiiForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO m

24、ember bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governm

25、ental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Dir

26、ectives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bo

27、dies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 12224-3 was prepared by Technical Committee ISO/TC 44, Welding and allied pr

28、ocesses, Subcommittee SC 12, Soldering and brazing materials. ISO 12224 consists of the following parts, under the general title Solder wire, solid and flux cored Specifications and test methods: Part 1: Classification and performance requirements Part 2: Determination of flux content Part 3: Wettin

29、g balance test method for flux cored solder wire efficacy BSENISO122243:2003blank SBENISO122243:2003INTENRATIONAL TSANDADR IS-42221 O3:(3002E)I SO 3002 All irhgts seredevr 1Solder wire, solid and flux cored Specifications and test methods Part 3: Wetting balance test method for flux cored solder wir

30、e efficacy 1 Scope This part of ISO 12224 specifies a wetting balance test method for measuring the flux efficacy of a cored solder wire for the electronics industry. The test is applicable to all classes of flux listed in ISO 9454-1. 2 Normative references The following referenced documents are ind

31、ispensable 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. ISO 9454-1, Soft soldering fluxes Classification and requirements Part 1: Classification, l

32、abelling and packaging ISO 9455-16:1998, Soft soldering fluxes Test methods Part 16: Flux efficacy tests, wetting balance method IEC 60068-2-54, Environmental testing. Part 2: Tests. Test Ta: Soldering Solderability testing by the wetting balance method 3 Principle A copper coupon and flux cored sol

33、der wire are simultaneously immersed in a bath of molten solder alloy that releases the flux to be tested by the coupon. It is subjected to a group of buoyancy forces due to Archimedian thrust and the different surface tensions at the alloy/flux/test specimen interfaces. Data are collected on wettin

34、g forces versus time which represent the meniscus, and therefore the wetting angle , the wetting speed and the total wetting performance, i.e. the efficacy of the flux cored solder wire. 4 Apparatus 4.1 Solder bath, containing the alloy capable of reaching test temperature (see Figure 1 and 6.3). 4.

35、2 Wetting balance, and ancillary instrumentation, conforming to IEC 60068-2-54. 4.3 Stainless steel crucible (see Figures 1 and 2). 4.4 Additional attachments, to hold cored solder wire to be tested in accordance with the dimensions specified in Figure 3. BSENISO122243:2003IS-42221 O3:(3002E) 2 I SO

36、 3002 All irhgts seredevr4.5 Copper sulfidation artificial reference (SAR) test specimens, of the following dimensions: width: (10 0,1) mm for flux cored solder wire diameter W 1 mm; 10 the flux cored solder wire diameter for flux cored solder wire diameter 1 mm; length: constant between 15 mm and 3

37、0 mm, to suit the equipment used; thickness: either 0,1 mm 0,02 mm or 0,3 mm 0,05 mm. 4.6 Absorbent paper or lint free tissue. 4.7 Non-metallic, heat-resistant scraper. 5 Reagents 5.1 Acetone or methyl ethyl ketone. Key 1 solder wire to be tested 2 insulation 3 cored solder wire holder 4 wetting bal

38、ance SAR coupon holder 5 SAR coupon 6 crucible 7 temperature controlled solder bath 8 wetting balance bath 9 alloy obtained from reflowed and fluxless cored solder wire to be measured Figure 1 Apparatus for measuring wetting properties of cored solder wire BSENISO122243:2003IS-42221 O3:(3002E) I SO

39、3002 All irhgts seredevr 3Dimensions in millimetres aDimension adapted to the solder bath or the wetting balance Figure 2 Detail of the crucible Dimensions in millimetres Key 1 solder to be tested 2 SAR coupon holder 3 SAR coupon a (tan 15 22,5) mm = 6 mm b level of the molten alloy in the crucible

40、Figure 3 Relative position between the test coupon and the sample of the flux cored solder wire to be tested before the test BSENISO122243:2003IS-42221 O3:(3002E) 4 I SO 3002 All irhgts seredevr6 Procedure 6.1 Artificial reference sulfidation (SAR) The controlled pollution shall be obtained in accor

41、dance with Annex B of ISO 9455-16:1998. 6.2 Calibration The apparatus shall be calibrated in accordance with the manufacturers instructions. 6.3 Preparation Maintain the wetting balance (4.2) bath temperature at 50 C 3 C above the alloy liquidus temperature of the flux cored solder wire. Put the cru

42、cible (4.3) into the properly filled solder bath (4.1) in order to maintain sufficient heat transfer to the molten alloy. Completely fill the crucible with alloy of the same composition as the flux cored solder wire to be tested. When the alloy is fully molten, adjust the level of the molten alloy t

43、o the top of the crucible and clean the surface with the scraper (4.7). Clean at least 20 cm of each of the two samples of the flux cored solder wire with acetone or methyl ethyl ketone (5.1) on absorbent paper or lint free tissue (4.6). Place the cleaned solder wire in the solder wire holders (4.4)

44、 as shown in Figure 3. 6.4 Measurement Before each test, adjust the level of the molten alloy to the top of the crucible; using the non-metallic scraper (4.7), remove the dross from the top of the crucible. Set the two samples of the flux cored solder wire such that they are just in contact with the

45、 molten alloy in the crucible and fix them in position (see Figure 3). Immediately following this: suspend the test specimen on the sensor, set the test apparatus to zero (if necessary); immediately start the recorder (see 4.2) and dip the SAR coupon and the two flux cored solder wire samples into t

46、he molten alloy to a depth of 3 mm 0,2 mm at a rate of 20 mm/s 5 mm/s (see Figure 4); run the test for a duration of 10 s 1 s; stop the recording operation upon withdrawal of the test specimen if stopping is not automatic. Take ten measurements and from them obtain an arithmetic mean. BSENISO122243:

47、2030IS-42221 O3:(3002E) I SO 3002 All irhgts seredevr 5Dimensions in millimetres a) before wetting b) after wetting Key 1 solder wire to be tested 2 SAR coupon holder 3 SAR coupon aImmersion depth. bCondition of maximum repelling force. cCondition of maximum wetting force. Figure 4 Relative positions, during the test, between the SAR coupon and the sample of the flux cored solder wire to be tested SBENISO122243:2003IS-42221 O3:(3002E) 6 I SO 3002 All irhgts seredevr7 Interpretation of resultant curves The app

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