BS ISO 17095-2013 Fine ceramics (advanced ceramics advanced technical ceramics) Test method for interfacial bond strength of ceramic materials at elevated temperatures《精细陶瓷(高级陶瓷 高级.pdf

1、BSI Standards PublicationBS ISO 17095:2013Fine ceramics (advancedceramics, advanced technicalceramics) Test method forinterfacial bond strength ofceramic materials at elevatedtemperaturesBS ISO 17095:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 17095:20

2、13.The UK participation in its preparation was entrusted to TechnicalCommittee RPI/13, Advanced technical ceramics.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract.

3、Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 77168 2ICS 81.060.30Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority o

4、f theStandards Policy and Strategy Committee on 31 August 2013.Amendments issued since publicationDate Text affectedBS ISO 17095:2013 ISO 2013Fine ceramics (advanced ceramics, advanced technical ceramics) Test method for interfacial bond strength of ceramic materials at elevated temperaturesCramique

5、s techniques Mthode dessai pour la rsistance de linterface des matriaux cramiques tempratures levesINTERNATIONAL STANDARDISO17095First edition2013-08-01Reference numberISO 17095:2013(E)BS ISO 17095:2013ISO 17095:2013(E)ii ISO 2013 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2013All rights re

6、served. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either

7、ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 17095:2013ISO 17095:2013(E) ISO 2013 All rights reserved i

8、iiContents PageForeword iv1 Scope . 12 Normative references 13 Terms and definitions . 14 Symbols and abbreviated terms . 25 Principle 36 Apparatus . 46.1 Test machine . 46.2 Heating machine 46.3 Temperature measuring and indicating instruments . 56.4 Data acquisition . 56.5 Dimension-measuring devi

9、ce. 56.6 Test fixture 67 Test pieces . 77.1 Test piece size 77.2 Test piece preparation 88 Test procedure 88.1 Test mode and rate 88.2 Preparation of test pieces 98.3 Measurement of the cross-bonded area 98.4 Measurement of the tensile bond strength 98.5 Measurement of the shear bond strength 109 Ca

10、lculation of results 119.1 Interfacial tensile bond strength 119.2 Interfacial shear bond strength . 1110 Test report 12Bibliography .13BS ISO 17095:2013ISO 17095:2013(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO membe

11、r 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, governmenta

12、l 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.The procedures used to develop this document and those intended for its further maintenance ar

13、e described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2. www.iso.org/directivesAttention is drawn t

14、o 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. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the

15、ISO list of patent declarations received. www.iso.org/patentsAny trade name used in this document is information given for the convenience of users and does not constitute an endorsement.ISO 17095 was prepared by Technical Committee ISO/TC 206, Fine ceramics.iv ISO 2013 All rights reservedBS ISO 170

16、95:2013INTERNATIONAL STANDARD ISO 17095:2013(E)Fine ceramics (advanced ceramics, advanced technical ceramics) Test method for interfacial bond strength of ceramic materials at elevated temperatures1 ScopeThis International Standard specifies the method of test for determining the interfacial tensile

17、 and shear bond strength of ceramic-ceramic, ceramic-metal, and ceramic-glass joining at elevated temperature by the compression tests on the cross-bonded test pieces. Methods for test piece preparation, test modes and rates (load rate or displacement rate), data collection, and reporting procedures

18、 are addressed.This International Standard applies primarily to the ceramic materials, including monolithic fine ceramics and whisker-, fibre- or particulate-reinforced ceramic composites. This test method can be used for materials research, quality control, and characterization and design data-gene

19、ration purposes.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable to its application. For dated references, only the edition cited applies. For undated references, the lasted edition of the referenced document (inclu

20、ding any amendments) applies.ISO 3611, Geometrical product specifications (GPS) Dimensional measuring equipment: Micrometers for external measurements Design and metrological characteristicsISO 7500-1, Metallic materials Verification of static uniaxial testing machines Part 1: Tension/compression te

21、sting machines Verification and calibration of the force-measuring systemIEC 60584-1, Thermocouples Part 1: Reference tables3 Terms and definitionsFor the purposes of this document, the following terms and definitions apply.3.1advanced ceramicadvanced technical ceramicfine ceramichighly-engineered,

22、high-performance predominately non-metallic, inorganic, ceramic material having specific functional attributes3.2cross-bonded sampletesting sample having the form of a symmetrical cross, which is prepared by joining two rectangle bars of the same shape and sizeNote 1 to entry: See Figure 1.Note 2 to

23、 entry: The two bars joined to form the cross-bonded sample may be of the same or different materials.Note 3 to entry: The approach used for joining may be any chemical or physical bonding.Note 4 to entry: The two bars should be joined perpendicularly and symmetrically within 1 ( = 90 1). ISO 2013 A

24、ll rights reserved 1BS ISO 17095:2013ISO 17095:2013(E)hbFigure 1 Schematic diagram of cross-bonded samples3.3tensile failure loadmaximum tensile load applied to the interface during a tensile bond strength test3.4tensile bond strengthmaximum mean tensile stress applied to the interface during a bond

25、 strength testNote 1 to entry: Tensile bond strength is calculated from the tensile failure load and the bonded area.3.5shear failure loadmaximum shear load applied to the interface during a shear test of the cross-bonded sample3.6shear bond strengthmaximum mean shear stress applied to the interface

26、 during a shear bond strength testNote 1 to entry: Shear bond strength is calculated using the shear failure load and the shear-loaded area.4 Symbols and abbreviated termsFor the purposes of this document, the symbols given in Table 1 apply.Table 1 SymbolsSymbol Designation Unit Referencel Test piec

27、e length mm Table 2h Test piece thickness mm Figure 1, Table 2b Test piece width mm Figure 1, Table 2 Vertical angle of cross-bonded sample o Figure 1D Diameter of the ball in pressure head mm Figure 3tTensile bond strength MPa Formula (1) Shear bond strength MPa Formula (4)PcCritical load to debond

28、ing N Formulae (1), (4)A1Tensile loaded area mm2Formula (1)A2Shear loaded area mm2Formula (4)2 ISO 2013 All rights reservedBS ISO 17095:2013ISO 17095:2013(E)Symbol Designation Unit Referencen Number of valid tests 1 Formulae (2), (3), (5), (6)tMean tensile bond strength MPa Formula (2) Mean shear bo

29、nd strength MPa Formula (5)s Standard deviation MPa Formulae (3), (6)5 PrincipleA cross-bonded sample is loaded in compression which yields tensile or shear stress in the interface until the occurrence of the debonding in the interface at the test temperatures. Two different forms of mounting the cr

30、oss-bonded sample in a fixture are designed to measure the interfacial tensile and shear bond strength, respectively. In the case of the former, a uniaxial tensile stress is generated when the test sample is subjected to compressive load, as shown in Figure 2 a). For the latter, a cross-bonded sampl

31、e is loaded in compression to induce failure by shear at the interface, as shown in Figure 2 b). The test is usually performed at a constant crosshead displacement rate at high temperatures. The load at fracture and the bonded area are used to compute the tensile and shear bond strength.1qqFFa) Sche

32、matic diagram of loading, supporting and bonded area for cross-bonded sample in the tensile bond strength testTable 1 (continued) ISO 2013 All rights reserved 3BS ISO 17095:2013ISO 17095:2013(E)1qqFb) Schematic diagram of loading, supporting and bonded area for cross-bonded sample in the shear bond

33、strength testKey1 bonded areaF applied loadq uniform resultant stress on the supporting surfacesFigure 2 Schematic diagram of measuring the tensile and shear bond strength using the cross-bonded test piece subjected to compressive load6 Apparatus6.1 Test machineA suitable test machine capable of app

34、lying a uniform crosshead speed shall be used. The test machine shall be in accordance with ISO 7500-1, class 1, to an accuracy of 1 % of indicated load during compression or tension tests.6.2 Heating machine6.2.1 GeneralThe furnace shall be capable of heating the test fixture and test piece as well

35、 as maintaining a uniform and constant temperature during the bonding strength test, by which an air, inert gas or vacuum environment should be available for test requirement. If an inert gas and vacuum chamber is used, and it is necessary to transmit the load through a seal, bellows or a fitting, i

36、t shall be verified that load losses or errors are less than 1 % of the expected fracture loads.6.2.2 Test piece temperature stabilityThe furnace shall be controlled by a device for maintaining a constant temperature within 2 C or better within the working space of the furnace, during the time that

37、the test piece is loaded until it is fractured.4 ISO 2013 All rights reservedBS ISO 17095:2013ISO 17095:2013(E)6.2.3 Test temperature uniformityThe furnace shall be capable of maintaining the test piece at uniform temperature. It shall previously be determined that the temperature of the test piece

38、shall not vary by more than 10 C after a 15-min hold time at the required test temperature.6.2.4 Furnace heating rateThe furnace control device shall also be capable of controlling the heating rates of the furnace and preventing temperature overshoots.6.2.5 Furnace stabilityThe time for the system t

39、o reach thermal equilibrium at the test temperature shall be determined for the test temperature to be used.6.3 Temperature measuring and indicating instruments6.3.1 GeneralThe thermocouple temperature measuring equipment shall have a resolution at least 1 C and an accuracy of 5 C or better. Optical

40、 pyrometers, if used, shall have a resolution of at least 5 C and an accuracy of 10 C or better.Note 1 Resolution is not intended to be confused with accuracy. Beware of instruments that have a resolution (readout) of 1 C, but have an accuracy of only 10 C; for example an instrument with a 1 % accur

41、acy would only be accurate to 12 C at 1 200 C.Note 2 Thermocouple temperature measuring instruments typically approximate the temperature- electromotive force (EMF) tables, but with a few degrees of error.6.3.2 ThermocouplesThermocouples in accordance with IEC 60584-1 shall be used. The thermocouple

42、 shall exhibit low thermal inertia (the diameter of the wires shall be not greater than 0,5 mm). The thermocouples shall have a sufficient length within the furnace (with respect to heat conduction along the wires). The measuring thermocouple tip shall be as close as possible to or contacting the te

43、st piece.6.3.3 Verification of the thermocouple temperature measuring systemThermocouples shall be checked periodically since calibration can drift with usage or contamination.6.4 Data acquisitionObtain at least an autographic record of the applied load versus crosshead displacement or testing time.

44、Use either analogue chart recorders or digital data acquisition systems. Recording devices shall be accurate to within 1 % of the selected range of the test equipment including readout unit and have a minimum data acquisition rate of 10 Hz with a response of 50 Hz deemed more than sufficient.6.5 Dim

45、ension-measuring deviceMicrometers and other devices used for measuring linear dimensions shall be accurate to at least 0,01 mm and shall be in accordance with ISO 3611. The micrometer shall not have a ball tip or sharp tip since these might damage the test piece. Alternative dimension measuring ins

46、truments may be used, provided they have a resolution of 0,01 mm or finer. ISO 2013 All rights reserved 5BS ISO 17095:2013ISO 17095:2013(E)6.6 Test fixture6.6.1 GeneralThere are various types of fixtures for the compression of bond ceramic materials. The illustration (sketch) of the test fixtures is

47、 shown in Figure 3. To avoid unsymmetrical stress in the sample, the top of the pressure head is machined into arc shape at two perpendicular directions, and should be in the middle line of the pressure head, as shown in Figure 3 a). Alternatively, a small ball is inlaid in the centre of the upper s

48、urface of the pressure head and the centre of the ball should be in the middle line of the pressure head, as shown in Figure 3 b). Thus, a point contact at the top centre of the pressure head can be realized in compressive process. The bearing shall be suitable and moveable span (the width of the gr

49、oove) so that the cross-bonded sample can be inserted into the fixture freely and smooth contact, as shown in Figure 3 c).b3c2c1h3h2a) Pressure head used to apply load during tensile bonding strength testsh4h3h2C2C1b3Db) Alternative pressure head used to apply load during tensile bonding strength tests6 ISO 2013 All rights reservedBS ISO 17095:2013ISO 17095:2013(E)L2b1b2h2c) Bearing device for both tensile and shear bond strength testsFigure 3 Schematic illustration of the test fixturesThe