EP 3759261 A1 20210106 - ANTIWEAR-COATED METAL COMPONENT, IN PARTICULARLY FOR A BALL VALVE, AND METHOD FOR APPLYING A MULTI-LAYER ANTIWEAR COATING IN ORDER TO PRODUCE A COMPONENT OF THIS TYPE
Title (en)
ANTIWEAR-COATED METAL COMPONENT, IN PARTICULARLY FOR A BALL VALVE, AND METHOD FOR APPLYING A MULTI-LAYER ANTIWEAR COATING IN ORDER TO PRODUCE A COMPONENT OF THIS TYPE
Title (de)
VERSCHLEIßSCHUTZBESCHICHTETES METALLISCHES BAUTEIL INSBESONDERE FÜR EIN KUGELVENTIL UND VERFAHREN ZUM AUFBRINGEN EINER MEHRSCHICHTIGEN VERSCHLEIßSCHUTZSCHICHT ZUR ERZEUGUNG EINES SOLCHEN BAUTEILS
Title (fr)
ÉLÉMENT MÉTALLIQUE REVÊTU D'UNE PROTECTION CONTRE L'USURE, EN PARTICULIER POUR UNE SOUPAPE SPHÉRIQUE, ET PROCÉDÉ POUR APPLIQUER UNE COUCHE DE PROTECTION CONTRE L'USURE MULTICOUCHE AFIN DE PRODUIRE UN TEL ÉLÉMENT
Publication
Application
Priority
- DE 102018202842 A 20180226
- EP 2019050236 W 20190107
Abstract (en)
[origin: WO2019161981A1] The invention relates to an antiwear-coated metal component (1), in particular for a ball valve (6), the tribosurface of which component is at least partially provided with a multi-layer antiwear coating (2). The antiwear coating (2) has at least a metal adhesion layer (3a), an adhesion-promoting layer (3b) and at least one first cover layer (3c). The adhesion-promoting layer (3b) comprises a carbide-forming metal or a boride-forming metal. The at least first cover layer (3c) comprises a hydrogen-free tetrahedral carbon. The invention further relates to a method for applying an antiwear coating (2) to a metal substrate (9) in order to produce an antiwear-coated metal component (1) of this type. The invention further relates to a ball valve, comprising an antiwear-coated metal component (1) of this type and an antiwear coating (2).
IPC 8 full level
C23C 28/00 (2006.01); F02M 61/16 (2006.01)
CPC (source: EP US)
C23C 28/322 (2013.01 - EP US); C23C 28/34 (2013.01 - EP); C23C 28/341 (2013.01 - EP US); C23C 28/343 (2013.01 - EP US); C23C 28/347 (2013.01 - EP US); C23C 28/36 (2013.01 - EP US); F02M 61/166 (2013.01 - EP US); F02M 61/1886 (2013.01 - US); F02M 63/0077 (2013.01 - US); F16K 25/005 (2013.01 - US); F16K 25/04 (2013.01 - US); F02M 2200/9038 (2013.01 - EP US); F02M 2200/9046 (2013.01 - EP US)
Citation (search report)
See references of WO 2019161981A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2019161981 A1 20190829; CN 111757949 A 20201009; DE 102018202842 A1 20190829; EP 3759261 A1 20210106; US 11753728 B2 20230912; US 2020407856 A1 20201231
DOCDB simple family (application)
EP 2019050236 W 20190107; CN 201980015401 A 20190107; DE 102018202842 A 20180226; EP 19701769 A 20190107; US 201916975834 A 20190107