1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS ISO 10635:1999 ICS 81.
2、080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Refractory products Methods of test for ceramic fibre productsThis British Standard, having been prepared under the direction of the Sector Committee for Materials and Chemicals, was published under the authority of the Stand
3、ards Committee and comes into effect on 15 May 2000 BSI 05-2000 ISBN 0 580 34239 5 BS ISO 10635:1999 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard reproduces verbatim ISO 10635:1999 and implements it as the UK national standard. The UK participati
4、on in its preparation was entrusted to Technical Committee RPI/1/9, Ceramic fibre products, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK
5、 interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications
6、 referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions
7、of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii and iii,
8、a blank page, pages 1 to 19 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.A Referencenumbe r ISO10635:1999(E) INTERNATIONAL STANDARD ISO 10635 Firstedition 19990601 RefractoryproductsMethodsoftest forceramicfibreproducts Produitsrfr
9、actairesMthodesdessaidesproduitsbasedefibres cramiquesISO10635:1999(E) ii Contents Page 1Scop e1 2Normativereference s1 3Preparationoftestpiece s.1 4Determinationofthicknes s.2 5Determinationofbulkdensit y3 6Determinationofresilienc e.4 7Determinationofpermanentlinearchangeonheatin g.5 8Determinatio
10、nofthermalconductivit y8 9Determinationoftensilestrengt h11 10Determinationofshotconten t12 11Testrepor t14 AnnexA (informative) Calculationofthecoefficientofthermalconductivityasafunction oftheactualtemperatureineachpointofthetestpiec e.19ISO10635:1999(E) iii Foreword ISO (the InternationalOrganiza
11、tionforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommitte
12、e.Internationalorganizations,governmentalandnongovernmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirect
13、ives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtoth ememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. InternationalStandardISO10635waspreparedbyTechnicalCommitteeISO/TC33 Refractories. AnnexAofth
14、isInternationalStandardisforinformationonly.INTERNATIONALSTANDARD ISO10635:1999(E) 1 RefractoryproductsMethodsoftestforceramicfibre products 1Scope ThisInternationalStandardspecifiesmethodsfordeterminingthethickness,bulkdensity,resilience,permanent linear change onheating,thermalconductivity,tensile
15、strengthandshotcontentofceramicfibreproducts.Itapplies toceramicfibrebulk,blankets,felts,mats,boards,papersandpreformedshapeswiththeexceptio nofproducts deliveredinawetstate. Theapplicationoftheindividualtestmethodsisgivenintable1,withreferencetothetypeofproducts. 2Normativereferences The following
16、normativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thisInternationalStandard.Fordatedreferences,subsequentamendmentsto,orrevisionsof ,anyofthese publications do not apply. However, partiestoagreementsbasedonthisInternationalStandardareencouragedto investigatet
17、hepossibilityofapplyingthemostrecenteditionsofth enormativedocumentsindicatedbelow.For undatedreferences,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIEC maintainregistersofcurrentlyvalidInternationalStandards. ISO565,TestsievesMetalwirecloth,perforatedmetalplateandelectrof
18、ormedsheetNominalsizesof openings. ISO75001, MetallicmaterialsVerificationofstaticuniaxialtestingmachinesPart1:Tensiletestingmachines. 3Preparationoftestpieces The number of items to be tested shall be determinedbyagreementbetweentheparties.Thenumberoftestpieces peritemshallbedeterminedinaccordancew
19、ithTable1. Whenthematerialtobetestediswound,anycompressedmaterialatth eextremeendsshallbeexcluded.A strip shallbecutperpendiculartothelengthacrossthefullmaterialwidth,ofsufficientsizeforthedifferenttestsplanned. Therequirednumberoftestpiecesofrequireddimensionsshallbecutusingatemplate,asharpknife,as
20、awor othermethodwhichwillnotdamagethetestpiece.Avoidexcesspressureasthismaycrushthefibre.ISO10635:1999(E) 2 Table1Summaryoftestmethodsanddesignations,applicabilitytoproducttypesandnumber oftestpiecesperitemrequired Clause Test Material Numberof testpieces 4 Thickness: 725Pamethodor350Pamethod blanke
21、t,felt,mat,board,paper 3 5 Bulkdensity blanket,felt,mat,board,paper 3 6 Resilience blanket,felt,mat 3 7 Permanentlinearchangeonheatingbythe: slowheatmethod hotfurnacemethod blanket,felt,mat,board,paper,pre formedshapes 3 8 Thermalconductivity: calorimetricmethoduptohotface temperatureof1300C blanket
22、,felt,mat,board 1 9 Tensilestrength blanket,felt,paper 5 10 Shotcontent bulkfibre,blanket,felt,mat,paper 3 4Determinationofthickness 4.1Principle Determinationofthethicknessofaproductsubjectedtoacompressivestresswhichdependsonitsnominalbulk density.Therearetwomethods,ofwhichthedialgaugecomparatormet
23、ho d(see4.3.1)isthereferencemethod andistheonlymethodapplicabletoceramicfibrepaper. 4.2Testpiecedimensions Thesizeofthetestpieceshallbesuchthatthediscrestsonitentirely,andshallbeatleast100mm 3100mm. 4.3Methods 4.3.1 Thedialgaugecomparatormethod 4.3.1.1 Apparatus,consistingofamachinedreferenceplate,a
24、dialgaugecomparatorwith ametallicdisc, 75 1 mmindiameter,fixedatrightanglestothedialgaugemeasuringprobe.Theapparatusshallbecapable ofapplyinga35 0Pa 7Pacompressivestresstoproductswithanominalbulkdensity ,96kg/m 3 anda 725Pa 15Pacompressivestresstoproductswithanominalbulkdensity 96kg/m 3 . 4.3.1.2 Pr
25、ocedure.Brushthereferenceplatefreeofanyresidualmaterialandcheckthatthediscliesparallelto thereferenceplateand,whentheyareincontact,thedialgaugereadszero. Gentlyraisethediscandslidethetestpieceunderneathit.Slowlylowerthediscont o the test piece until it supports thefullpressureofthediscandweigh(see4.
26、3.2.1).Whenthereadingisstablerecordthedialreadingtoan accuracyof 0,1mm.ISO10635:1999(E) 3 4.3.2 Theneedlemethod 4.3.2.1 Apparatus,consistingofamachinedreferenceplateandameasuringdevicemadeupofaneedle 150mm 1 mminlengthand 3 mm 0,2 mmindiameter,andametallic disc75 mm 1 mmindiameterwhich slidesalongth
27、eneedleandhasafrictiondevicetogriptheneedleunlesspurposelymoved(seeFigure1). Thestressdeterminedbythemassofthediscanditssecuringdeviceshallnotexceed35 0 Pa 7P a for products withanominalbulkdensity ,96kg/m 3 and72 5 Pa 15 Pa for productswithanominalbulkdensity higherthan 96kg/m 3 . 4.3.2.2 Procedure
28、.Placethetestpieceonthereferenceplatean dforcethepenetratingneedleofthedepth gauge downward throughthetestpiece,perpendiculartothereferenceplate.Ifnecessary,topreventcompression ofthetestpiecebythedepthgaugeneedle,firstpiercethetestpiece.Whenthepointoftheneedletouchesthe referenceplate,lowertheslidi
29、ngdisctothepointofcontactwiththetopsurfaceofth e test piece until it supports the fullpressureofthediscandgrippingdevice.Securethediscinpositionandwithdrawthegauge.Measur ewitha steelrulethedistancefromthepointoftheneedletotheslidingdiscwithinanaccuracyof 0,5mm. 4.4Testreport Reportthedatarequiredby
30、claus e 11,thedimensionsofeachtestpiece ,theindividualvaluesforeachtestpiece andthemeanvalueforeachitem. 5Determinationofbulkdensity 5.1Principle Determinationofthebulkdensitybycalculationoftheratiobetweenthemassoftheproductanditsvolume geometricallydetermined,thicknesshavingbeenfirstdeterminedaccor
31、dingtoclause4. 5.2Apparatus 5.2.1 Thicknessmeasurementdevice ,inaccordancewith4.3.1or4.3.2. 5.2.2 Steelrule,capableofbeingreadto0,5mm,possiblywithasquareangleatthereadingsorigin,or alternatively,callipers. 5.2.3 Ventilatedoven ,capableofbeingmaintainedat110C 5C; 5.2.4 Balance,accurateto 0,1g. 5.3Tes
32、tpieces Thedimensionsofthetestpiecesshallbeinaccordancewith4.2. The test pieces shallbedriedintheovenat11 0 C 5 Ctoconstantmass.Constantmasscanbeconsideredas achievedwhenthemassvariationbetweentwoweighings,carriedoutwithinanintervalof 1 h,doesnotexceed 0,1%. Rejectanytestpiecewherethelossofmassexcee
33、ds5%afterdrying. 5.4Procedure Measurethetwootherdimensionsofthetestpiecewiththesteelrul e or the callipers to an accuracy of 0,5mm , and calculatetheareaofthetestpiece,thethicknessbeingdeterminedaccordingtoclause4. Carryoutthemeasurementsalongthemiddleofeachfaceofthetestpiece.Carryouttheweighingswit
34、 han accuracyof 0,1g.ISO10635:1999(E) 4 5.5Expressionofresults Calculatethebulkvolume V b ofthetestpiece(inm 3 )usingthefollowingequation: VSt b = where: Sistheareainsquaremetres; t isthethicknessinmetres. Calculatethebulkdensity rofthetestpieceinkilogramspercubicmetreusingtheequation: r= m V b wher
35、e: misthedrymassinkilogramsdeterminedin5.4; V b isthebulkvolumeincubicmetres. 5.6Testreport Reportthedatarequiredbyclaus e 11,themassanddimensionsofeachtestpiece,referencetothemethodfor thickness,andtheindividualvaluesforeachtestpieceandthemeanforeachitem. 6Determinationofresilience 6.1Definition Re
36、silienceistheabilityofceramicfibreproductstospringbackaftercompressionto50 %ofthickness.Itisthe ratioofthethicknessofaproductaftertheapplicationandrelaxationofacompressiveforce,toitsoriginal thickness. 6.2Principle Calculationoftheratio,expressedasapercentage,ofthethicknessofaproducttoitsinitialthic
37、knessafter applicationofacompressivestresssufficienttoreducetheinitialthicknessto50%foragivenperiodoftime. 6.3Apparatus 6.3.1 Thicknessgauge 6.3.2 Compressiontestingmachine ,capableofapplyingthecompressivestressatagive nrateandprovided withmeansformeasuringthetestpiecedeformation. 6.3.3 Ventilatedov
38、en ,capableofbeingmaintainedat110C 5C. 6.4Testpieces 6.4.1Dimensions Thedimensionsofthetestpieceshallbe100mm 3100mm 3(nominalthickness).Compressionofthetestpieces whencuttingoutshallbeavoided.ISO10635:1999(E) 5 6.4.2Drying Drythetestpiecesinaccordancewith5.3. 6.5Procedure Determinethethicknessaccord
39、ingtoclause4.Setthecompressiontestingmachinetogiveaconstan t deformation rateof2mm/min. Placethetestpieceinthecompressiontesterandcompressatthegivenrateuntilthetestpiecethicknesshas beenreducedby50%. NOTE1 Ifarecordofcompressivestressversusthicknessisrequired,thecompressivestressatregularpercentage
40、reductionsoftheoriginalthicknessshouldberecorded. Keepthetestpieceat5 0 %ofitsinitialthicknessfor 5 minandthenremovethemajorityofthepressureapplie d by thetestingmachinebutjustmaintaininganominalpressure,ofeither35 0 Pa 7 Paforproductswithabulkdensity ,96kg/m 3 or72 5 Pa 15 Paforproductswithabulk de
41、nsity96kg/m 3 .After5min ,determinethethickness accordingtoclause4. NOTE 2 Other values for reductionofthethicknesscanbechosenbyagree mentbetweentheparties.Thesa meprocedure shouldbeused. 6.6Expressionoftheresults Calculateresilience,asapercentagetothenearest0,5%,fromthefollowingequation: R d d = f
42、0 100 Calculatepermanentdeformation,asapercentagetothenearest 0,5%,fromthefollowingequation: PD d d =- 1 100 0 f where d f isthethicknessaftertesting; d 0 istheinitialthickness. 6.7Testreport Report the data required byclaus e 11,thedimensionsofthetestpiecesandthethicknessmethod,alsoanyvalue forredu
43、ctionofthethickness,ifdifferentfrom5 0 %,individualvaluesofpermanentdeformation/resilience ,andthe meanvaluesofpermanentdeformation/resilience. 7Determinationofpermanentlinearchangeonheating 7.1Principle Determinationofthepermanentlinearchangeofthedimensionsoftestpiecesheldataprescribe d temperature and for a prescribed time interval. The permanent linear changeisexpressedastheratioofthedifferenc
