1、BSI Standards PublicationBS EN 16602-70-04:2014Space product assurance Thermal testing for theevaluation of space materials,processes, mechanical partsand assembliesBS EN 16602-70-04:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN16602-70-04:2014. It supers
2、edes BS EN 14098:2001 which iswithdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/68, Space systems and operations.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all t
3、he necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 84423 2ICS 49.140Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard
4、was published under the authority of theStandards Policy and Strategy Committee on 31 October 2014.Amendments issued since publicationDate Text affectedBS EN 16602-70-04:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16602-70-04 October 2014 ICS 49.140 Supersedes EN 14098:2001 English vers
5、ion Space product assurance - Thermal testing for the evaluation of space materials, processes, mechanical parts and assemblies Assurance produit des projets spatiaux - Essais thermiques pour lvaluation des matriaux, des processus, des composants et assemblages mcaniques dun projet spatial Raumfahrt
6、produktsicherung - Temperaturtest zur Untersuchung von Werkstoffen, Prozessen, mechanischen Teilen und Zusammenbauten der Raumfahrttechnik This European Standard was approved by CEN on 20 March 2014. CEN and CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulat
7、e the conditions for giving this European 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-CENELEC Management Centre or to any CEN and CENELEC member. This E
8、uropean Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN and CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
9、 CEN and CENELEC members are the national standards bodies and national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lit
10、huania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN/CENELEC All rights of exploitation in any form and by any means reserved wor
11、ldwide for CEN national Members and for CENELEC Members. Ref. No. EN 16602-70-04:2014 EBS EN 16602-70-04:2014EN 16602-70-04:2014 (E) 2 Table of contents Foreword 4 Introduction 5 1 Scope . 6 2 Normative references . 7 3 Terms, definitions and abbreviated terms 8 3.1 Terms from other standards 8 3.2
12、Terms specific to the present standard . 8 3.3 Abbreviated terms. 8 4 Principles 9 5 Requirements 11 5.1 Specifying test 11 5.1.1 General provision 11 5.1.2 Specifying the test means . 11 5.1.3 Specifying the thermal cycling test procedures 12 5.2 Preparing and performing Test . 13 5.2.1 General . 1
13、3 5.2.2 Preparing the item to be tested . 13 5.2.3 Preparing the facilities and equipment. 14 5.2.4 Running the thermal cycling test procedures . 14 5.3 Recording and reporting the test results . 15 5.3.1 Test records 15 5.3.2 Test report 16 5.3.3 Acceptance criteria and nonconformance . 16 Annex A
14、(normative) Request for thermal cycling test - DRD . 17 Annex B (normative) Thermal cycling test specifications and procedures (Work Proposal) - DRD 18 Annex C (normative) Thermal cycling test report - DRD 19 BS EN 16602-70-04:2014EN 16602-70-04:2014 (E) 3 Annex D (informative) Thermal cycling test
15、procedures . 20 Annex E (informative) Thermal cycling test equipment . 23 Bibliography . 24 Figures Figure 4-1: Thermal cycling test process overview . 9 Figure D-1 : Test procedure flow diagram 22 BS EN 16602-70-04:2014EN 16602-70-04:2014 (E) 4 Foreword This document (EN 16602-70-04:2014) has been
16、prepared by Technical Committee CEN/CLC/TC 5 “Space”, the secretariat of which is held by DIN. This standard (EN 16602-70-04:2014) originates from ECSS-Q-ST-70-04C. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement,
17、at the latest by April 2015, and conflicting national standards shall be withdrawn at the latest by April 2015. 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 o
18、r all such patent rights. This document supersedes EN 14098:2001. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. This document has been developed to cover specifically space systems and has therefore precedence over an
19、y EN covering the same scope but with a wider domain of applicability (e.g. : aerospace). According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Cze
20、ch Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdo
21、m. BS EN 16602-70-04:2014EN 16602-70-04:2014 (E) 5 Introduction The deleterious effects to be anticipated during the thermal cycling test under vacuum include: outgassing, cracking or fracture of materials or assemblies due to sudden dimensional changes by expansion, contraction or pressure, short c
22、ircuiting of electrical wiring, overheating of materials or assemblies due to change in convection and conductive heat transfer characteristics. BS EN 16602-70-04:2014EN 16602-70-04:2014 (E) 6 1 Scope This Standard establishes the requirements for the specification, the procedures, the execution and
23、 the reporting of a thermal cycling test under vacuum for the evaluation of materials, processes, mechanical parts and assemblies intended for use in the fabrication of spacecraft and associated equipment. This is one of the tests to determine the ability of theses articles to withstand changes of a
24、mbient temperature under vacuum. Typical materials or assemblies that can be evaluated by means of this test method are listed below. adhesives; adhesive bonded joints; coatings (paint, thermal and protective); insulating materials; metallic bonded joints; metallic samples, finished by plating or ch
25、emical conversion; metallized plastic films; organic or non-organic bonding; plated surfaces; potting compounds; reinforced structural laminates; sealants. NOTE This is not an exhaustive list and other products or items can be tested. This standard may be tailored for the specific characteristic and
26、 constrains of a space project in conformance with ECSS-S-ST-00. BS EN 16602-70-04:2014EN 16602-70-04:2014 (E) 7 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this ECSS Standard. For dated references, subse
27、quent amendments to, or revisions of any of these publications do not apply. However, parties to agreements based on this ECSS Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references the latest edi
28、tion of the publication referred to applies. EN reference Reference in text Title EN 16601-00-01 ECSS-S-ST-00-01 ECSS system Glossary of terms EN 16602-10-09 ECSS-Q-ST-10-09 Space product assurance Nonconformance control system EN 16602-20 ECSS-Q-ST-20 Space product assurance Quality assurance EN 16
29、602-20-07 ECSS-Q-ST-20-07 Space product assurance Quality assurance for test centres EN 16602-70 ECSS-Q-ST-70 Space product assurance Materials, mechanical parts and processes BS EN 16602-70-04:2014EN 16602-70-04:2014 (E) 8 3 Terms, definitions and abbreviated terms 3.1 Terms from other standards Fo
30、r the purpose of this Standard, the terms and definitions from ECSS-S-ST-00-01 and ECSS-Q-ST-70 apply. 3.2 Terms specific to the present standard 3.2.1 batch see “lot” 3.2.2 lot quantity produced at one operation NOTE 1 One lot can be divided in several sub-lots. NOTE 2 The term “batch” is synonymou
31、s. 3.3 Abbreviated terms For the purpose of this Standard, the abbreviated terms from ECSS-S-ST-00-01 and the following apply: Abbreviation Meaning QCM quartz crystal microbalance UV ultraviolet BS EN 16602-70-04:2014EN 16602-70-04:2014 (E) 9 4 Principles The principles of the thermal test for the e
32、valuation of space materials and processes is to submit the item to be tested (materials, processes, mechanical parts or assemblies) to a certain number of thermal cycles, oscillating within an defined temperature range in order to anticipate and to evaluate the resistance to deleterious effects as:
33、 outgassing, cracking or fracture of materials or assemblies due to sudden dimensional changes by expansion, contraction or pressure, short circuiting of electrical wiring, overheating of materials or assemblies due to change in convection and conductive heat transfer characteristics. For this purpo
34、se the activities related to thermal cycling tests requirements, specifications, procedures and reports are described in Figure 4-1 and the related requirements are captured in clause 5. Clause 5.1 Specifying test Clause 5.2Preparing and performing testQuality RequirementsClause 5.3Recording and rep
35、orting test Work Proposal for Thermal Test (including test specification and procedure (Annex B) Thermal Test results (including identified deviations, if any)Thermal Test ing Report (Annex C) Request for Thermal Test (Annex A) Go/NO Go from CustomerNCR (if any identified deviation)Figure 4-1: Therm
36、al cycling test process overview BS EN 16602-70-04:2014EN 16602-70-04:2014 (E) 10 Clause 5.1 provides the specification for the means and procedures of tests (facilities, equipments and special apparatus) and the item to be tested. Clause 5.2 and 5.3 provide the requirements for preparing, performin
37、g, recording and reporting a thermal cycling test. BS EN 16602-70-04:2014EN 16602-70-04:2014 (E) 11 5 Requirements 5.1 Specifying test 5.1.1 General provision a. The customer shall provide a request for thermal test in conformance with the DRD in Annex A. b. ECSS-Q-ST-20 shall be made applicable in
38、the request for thermal cycling test. c. ECSS-Q-ST-10-09 shall be made applicable in the request for thermal cycling test. d. For safety and security, the test centre shall comply with ECSS-Q-ST-20-07, clause 9. NOTE Examples of safety issues are “hazard” and “health”. An example for security issues
39、 is “access control”. e. The supplier shall provide a thermal cycling test proposal in conformance with the DRD in Annex B for customer approval. 5.1.2 Specifying the test means 5.1.2.1 Facilities a. The work area shall be nominally clean with minimum dust, but not necessarily a cleanroom environmen
40、t. b. Air used for ventilation shall be nominally filtered to prevent contamination of the sample. c. The ambient conditions for the process and work areas shall be (22 3) C with a relative humidity of (55 10) %. 5.1.2.2 Equipment a. The supplier shall specify the list of the equipment necessary to
41、set up and run the approved test procedures. NOTE If the test procedure proposed in Annex D is executed by the supplier, the corresponding BS EN 16602-70-04:2014EN 16602-70-04:2014 (E) 12 equipment specification is described in Annex E. 5.1.3 Specifying the thermal cycling test procedures 5.1.3.1 Te
42、st procedures a. The test procedures shall address the test conditions control and monitoring of: 1. temperature, 2. vacuum, 3. contamination. b. The test procedure for controlling and monitoring the temperature shall contain the following information: 1. sample temperatures measurement and recordin
43、g methods, 2. temperature data acquisition during testing. NOTE There is a difference between real sample temperature and temperature of the holder. c. The test procedure for controlling and monitoring the vacuum shall contain the following information: 1. sample vacuum and residual atmosphere measu
44、rements and recording methods, 2. pressure data acquisition during testing. d. The test procedure for controlling and monitoring the contamination shall contain the following information: 1. contamination check methods used during tests, 2. contamination results. e. ECSS-Q-ST-20 shall apply for the
45、establishment of the test procedures. 5.1.3.2 Controlling the contamination a. In case of optical or thermo-optical properties measurements, contamination effects on the sample shall be controlled. NOTE 1 Cross contamination can occur between samples or be induced by internal vacuum chamber residual
46、 pressure. NOTE 2 Contamination control evaluation can be performed with any method: witness sample, UV absorption, Infrared analysis of contaminants deposit on CaF2 or ZnSe windows and/or QCM measurements. BS EN 16602-70-04:2014EN 16602-70-04:2014 (E) 13 5.1.3.3 Measuring the temperatures a. The me
47、thod used to measure the temperature shall be agreed between customer and supplier. b. During thermal testing, the temperature of the sample (test item) shall be measured. c. The test temperature range shall be based on the operating temperature range of the material in space d. The test supplier sh
48、all specify the temperature measurement procedure and accuracy. 5.2 Preparing and performing Test 5.2.1 General a. The test proposal shall include the thermal cycling test procedures. 5.2.2 Preparing the item to be tested 5.2.2.1 Identification a. Materials, processes and mechanical parts submitted
49、for thermal cycling test shall be clearly identified in order to maintain traceability. b. Assemblies submitted for thermal cycling test shall be identified by: 1. trade name and batch number; 2. name of supplier through whom the purchase was made; 3. configuration control status of the assembly. 5.2.2.2 Preparation a. The material samples shall be prepared according to the relevant process specifications or manufacturers data. b. It shall be agreed with the customer that the material samples are representative of b
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