high temperature self-lubricating materials

High temperature self-lubricating NiAl matrix composites with addition of CuO (15 20 and 25 wt %) were fabricated by powder metallurgy technique and the tribological behavior from room temperature to 1000 C was investigated It was found that Ni–Cu and Al 2 O 3 phases formed during the fabrication process due to reaction of NiAl and CuO Abstract A self-lubricating composite coating of Ti-Ni+TiN+MoS 2 /TiS with TiN TiMo and Ti 2 Ni as reinforcement phases while MoS 2 and TiS as lubricant phases was fabricated on Ti-6Al-4V alloy by laser cladding with composite alloy powder of NiCrBSi TiN and Ni-coated MoS 2 as cladding materials as cladding materials

Research Progress on Reliability and Preparation of

Research Progress on Reliability and Preparation of High Temperature Solid Self-lubricating Coatings: YUAN Xiaojing 1 GUAN Ning 1 HOU Genliang 1 CHEN Xiaohu 1 MA Shuang 2: 1 College of Combat Support Rocket Force Engineering University Xi'an 710025 China 2 Beijing Bureau of Rocket Force Beijing 100010 China

2020-2-20Graphalloy simple solutions for high temperature bearing problems GRAPHALLOY graphite/metal alloy is a unique self-lubricating carbon graphite bushing and bearing material that offers superior performance in hundreds of high temperature mechanical and electrical applications GRAPHALLOY graphite and carbon bushings and bearings are ideal for high temperature and

Materials Science and Engineering 1998 268-272 [ Links ] 4 Wu Y Wang F Cheng Y and Chen N A study of the optimization mechanism of solid lubricant concentration in Ni/MoS 2 self-lubricating composites Wear 1997 64-70 [ Links ] 5 Dangsheng X Lubrication behavior of Ni-Cr-based alloys containing MoS 2 at high temperature

High‐Temperature Tribological Behavior of CrN‐Ag Self‐lubricating Coatings K Kutschej E-mail address: kutscheyunileoben ac de Department of Physical Metallurgy and Materials Testing University of Leoben Franz‐Josef‐Strasse 18 A‐8700 Leoben Austria The CrN‐Ag coating system is a promising candidate for high

The invention discloses a high temperature resistant self-lubricating bearing material and a preparation method thereof The method comprises: mainly taking 06Cr19Ni10 stainless steel powder as the matrix material selecting high purity (greater than or equal to 95%) Cu Mo and Co metal powder as the reinforcement phase selecting MoS2 and CaF2 as the lubricating friction reduction phase and

Tribotechnical characteristics of self

Tribotechnical characteristics of self-lubricating copper base powder materials at elevated temperatures L F Kolesnichenko 1 "Installation for investigating high-temperature processes of friction and wear in vacuum and in gaseous media " Fiz -Khim Mekh Mater 10 No 5 77–78 (1974) Google Scholar 6 O I Fushchich A I Yuga

2012-10-12There is an ongoing need for developing high temperature self-lubricating materials to meet the severe conditions of mechanical systems such as advanced engines which require increasingly high working temperatures (at 1000 C or above) and long life [1-7] However achieving and maintaining low friction and wear at high temperatures have been very difficult in the past and still are the

2014-12-5generating self-lubricating composite materials Lubricating composites are used to increase the service life of machinery and equipment where oil and grease cannot be used For example metal matrix composites which contain solid lubricants for high temperature applications and vacuum conditions are produced by powder metallurgy 1

Polyimide with its unique high and low temperature resistance excellent mechanical as well as special self-lubricating properties is widely used in high-tech fields such as aerospace Therefore it is of great significance to develop polyimide self-lubricating composites applied in different conditions

Therefore higher high temperature strength tool materials and self-lubricating tool technology receive great attention in dry cutting technology Cemented car-bides with Ni 3 Al as a binder phase attracts much attention of the tool and abrasive industry based on its exceptional high temperature strengthening effect good oxidation resistance

The synthetic microcapsules shown excellent high temperature resistant performance and can be applied in the surrounding of higher temperature We incorporated the double-wall microcapsules into polypropylene (PP) to prepare self-lubricating composites at a high thermoforming temperature

Abstract A self-lubricating composite coating of Ti-Ni+TiN+MoS 2 /TiS with TiN TiMo and Ti 2 Ni as reinforcement phases while MoS 2 and TiS as lubricant phases was fabricated on Ti-6Al-4V alloy by laser cladding with composite alloy powder of NiCrBSi TiN and Ni-coated MoS 2 as cladding materials as cladding materials

2020-8-3The PS in the name of this and other self-lubricating high-temperature composite materials that have been reported in NASA Tech Briefs signifies that the material is applied to a substrate by plasma spraying of a powder blend of its constituents PS300 is similar to a previously developed material of this type called PS200

High Temperature Cylinder Sleeve Design Research

The latest international high temperature wear-resistant self-lubricating materials research: modern nanoα-Al 2 O 3 +Ni-base alloy composite materials Ti 2 B/Fe metal-ceramic composites metals and ceramics NiCr-Cr 3 C 2 particles CaF 2 self-lubricating composite alloy powder material NiCr/Cr 3 C 2-WS 2 self-lubricating wear-resistant

Tribotechnical characteristics of self-lubricating copper base powder materials at elevated temperatures L F Kolesnichenko 1 "Installation for investigating high-temperature processes of friction and wear in vacuum and in gaseous media " Fiz -Khim Mekh Mater 10 No 5 77–78 (1974) Google Scholar 6 O I Fushchich A I Yuga

2016-5-2The wettability of solid lubricant and matrix sintered body is very important for the production of the high temperature self-lubricating composite material The wettability of the metal/ceramic is ubiquitous phenomenon in materials science and people have long the research in this field Research on the wettability of the ceramic/metal has important practical significance for developing new

Ceramic friction pairs operating in high temperature environment must be properly lubricated As conventional lubricating methods are hardly applicable the development of self-lubricating ceramics or ceramic composite materials is undoubtedly a good approach This paper reviews the progress of researches on solid lubricants ceramics and ceramic composite materials used on conditions of dry

Tribotechnical characteristics of self-lubricating copper base powder materials at elevated temperatures L F Kolesnichenko 1 "Installation for investigating high-temperature processes of friction and wear in vacuum and in gaseous media " Fiz -Khim Mekh Mater 10 No 5 77–78 (1974) Google Scholar 6 O I Fushchich A I Yuga

Self-Lubricating Bearing Materials HT750 Carbon-Graphite: For a broad range of service requirements including high to low temperature and wet applications requiring precise mechanical positioning Rated for continuous service from -40F to 750F Self-lubricating maintenance free