1、 AECMA STANDARD NORME AECMA AECMA NORM prEN 3959 Edition P 2 September 2001 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION (AECMA-STAN) Gulledelle 94 - 6-1200 BRUXELLES - Tel. (+32) 2 775 8110 - Fax. (+32) 2 775 811 1 Supersedes edition P 1 January 1994 ICs: Descript
2、ors: ENGLISH VERSION Aerospace series Cobalt base alloy CO-B41601 Filler metal for brazing Powder or paste Srie arospatiale Alliage base cobalt CO-B41601 Mtal dapport de brasage Poudre ou pte Luft- und Raumfahrt Kobaltbasislegierung CO-B41601 Hartlot in Form von Pulver oder Paste This Herospace Seri
3、es“ Prestandard has been drawn up under the respon needs of the European Aerospace Industry. It has been tech concerned Domain following member comments. Subsequent to the publication of extent that interchangeability is After examinati not be changed to an re-identification of the reement of AECMA-
4、STAN it will be submitted as a I Replace page 1 of the previous edition by this page I Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX Withdrawal approved 2001-09-28 Comments should be sent within six months after th
5、e date of publication to Gulledelle 94 AECMA-STAN 8-1200 BRUXELLES Material Domain Mr Evetts I I aecrna 20C CEN PRENx3959 94 3404589 00b25Lb 224 prEN 3959 Page 3 1 O Introduction For the use of this standard, see EN 2500-6. 1 Scope This standard specifies the requirements relating to cobalt base bra
6、ze filler metal CO-B41601 in powder or paste form for aerospace applications. 2 Normative references EN 2500-6 Aerospace series - Instructions for the drafting and use of metallic material standards - Part 6 : Specific requirements for braze alloys 1) EN 3875 Aerospace series - Braze alloys - Techni
7、cal specification 1) 1 i 1) In preparation at the date of publication of this standard Previous page is blank CEN PRENx3959 94 3404589 00b2517 160 prEN-3959 Page 4 1 I Material designation Cobalt base braze alloy CO-B41601 3 Method of melting 4 Form Powder -, Paste Air or inert gas or vacuum melted
8、I Method of production Water or inert gas atomised and sieved Water or inert gas atomised and sieved and mixed with a binder - I I Limit dimensions (mm) - . , ., . “. _. . Heat treatment 7 Use condition Delivery condition or mixed with a binder Delivery condition and Heat treatment - - Characteristi
9、cs - Heat treatment - 21 I I Temperature I 0 23 I I Stress I 24 C Elongation ;i Id q 1- rupture 27 I Notes (see line 98) %I I I * II CEN PREN*3959 94 3404589 0062538 OT7 = See EN 3875 prEN 3959 Page 5 - External defects Designation Notes I- - - Thermal analysis (Differential thermal analysis) Wettab
10、ility (fusion test) I - Metallic alloy content 17 Powder I Paste Liquidus : 11 50 OC Solidus : 1120 OC See EN 3875 Powder I Paste - I 84 % S Metallic alloy content 90 % Particle size (Sieve analysis; I- See EN 3875 Typical use T “1 PPm 1) The chemical composition refers to the metallic alloy content. Joining cobalt alloys.
