| 1. Identity statement | |
| Reference Type | Journal Article |
| Site | mtc-m16.sid.inpe.br |
| Holder Code | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
| Identifier | 6qtX3pFwXQZGivnJVY/LvPBN |
| Repository | sid.inpe.br/mtc-m16@80/2006/06.20.17.45 (restricted access) |
| Last Update | 2006:06.20.17.45.55 (UTC) administrator |
| Metadata Repository | sid.inpe.br/mtc-m16@80/2006/06.20.17.45.56 |
| Metadata Last Update | 2018:06.05.01.16.50 (UTC) administrator |
| Secondary Key | INPE-13795--PRE/8981 |
| ISSN | 0257-8972 |
| Citation Key | SantosTraCorNogLei:2006:DLCoWe |
| Title | DLC cold welding prevention films on a Ti6Al4V alloy for space applications  |
| Year | 2006 |
| Month | Jan. |
| Access Date | 2024, Apr. 27 |
| Secondary Type | PRE PI |
| Number of Files | 1 |
| Size | 563 KiB |
| 2. Context | |
| Author | 1 Santos, Lúcia Vieira 2 Trava-Airoldi, Vladimir Jesus 3 Corat, Evaldo José 4 Nogueira, Jadir 5 Leite, Nélia Ferreira |
| Resume Identifier | 1 2 3 8JMKD3MGP5W/3C9JH33 4 5 8JMKD3MGP5W/3C9JHU5 |
| Group | 1 LAS-INPE-MCT-BR 2 LAS-INPE-MCT-BR 3 LAS-INPE-MCT-BR 4 LAS-INPE-MCT-BR |
| Affiliation | 1 Instituto Nacional de Pesquisas Espaciais, Laboratório Associado de Sensores e Materiais (INPE.LAS) 2 Instituto Nacional de Pesquisas Espaciais, Laboratório Associado de Sensores e Materiais (INPE.LAS) 3 Instituto Nacional de Pesquisas Espaciais, Laboratório Associado de Sensores e Materiais (INPE.LAS) 4 Fibraforte Engenharia Ind e Com Ltda 5 Instituto Nacional de Pesquisas Espaciais, Laboratório Associado de Sensores e Materiais (INPE.LAS) |
| Journal | Surface and Coatings Technology |
| Volume | 200 |
| Number | 8 |
| Pages | 2587-2593 |
| History (UTC) | 2006-07-28 18:58:23 :: simone -> administrator :: 2008-06-10 22:42:40 :: administrator -> simone :: 2011-05-19 12:45:32 :: simone -> administrator :: 2018-06-05 01:16:50 :: administrator -> marciana :: 2006 |
| 3. Content and structure | |
| Is the master or a copy? | is the master |
| Content Stage | completed |
| Transferable | 1 |
| Content Type | External Contribution |
| Keywords | DLC films texturized surface cold welding friction DIAMOND-LIKE-CARBON ADHESION NANOTRIBOLOGY TRIBOLOGY COATINGS HARD |
| Abstract | This paper reports on research results from on-going studies in cold welding prevention for space applications. DLC film was tested as a protective coating on devices with texturized Ti6Al4V surfaces to prevent cold welding under conditions of high pressure in a high vacuum environment. Texturized Ti6Al4V surfaces are necessary for the mechanical engagement of movable parts in satellite devices. This kind of application requires very high adherence between the substrate and the film. In this study, the DLC depositions were performed either on smooth or on laser textured Ti6Al4V surfaces. Smooth surfaces were used to measure the friction coefficient on a nanometric scale and the textured surfaces were used to test mechanical engagement. A very thin silicon interlayer was used to improve the DLC adherence to the Ti6Al4V substrates. Both silicon and DLC films were prepared by R-F magnetron sputtering with argon as the buffer gas and with an additional DC bias. Raman scattering spectroscopy was used to analyze the existence of sp(2) and sp(3) chemical bonds of DLC films and the nature of silicon structures in the silicon interlayer. The morphology and roughness were evaluated by SEM and AFM; the LFM was used to measure the friction coefficient in nanoscale and, the micro-indentation technique was used for evaluating film hardness. A new system was developed to measure the friction coefficient in microscale in order to measure the friction value between highly texturized surfaces. This paper presents an in-depth description of the testing process and the results of the cold welding prevention test of textured DLC surfaces in a high vacuum environment. |
| Area | FISMAT |
| Arrangement | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > LABAS > DLC cold welding... |
| doc Directory Content | access |
| source Directory Content | there are no files |
| agreement Directory Content | there are no files |
| 4. Conditions of access and use | |
| Language | en |
| Target File | DLC cold welding prevention films.pdf |
| User Group | administrator simone |
| Visibility | shown |
| Copy Holder | SID/SCD |
| Archiving Policy | denypublisher denyfinaldraft24 |
| Read Permission | deny from all and allow from 150.163 |
| Update Permission | transferred to simone |
| 5. Allied materials | |
| Next Higher Units | 8JMKD3MGPCW/3ESR3H2 |
| Dissemination | WEBSCI; PORTALCAPES. |
| Host Collection | sid.inpe.br/banon/2003/08.15.17.40 |
| 6. Notes | |
| Empty Fields | alternatejournal archivist callnumber copyright creatorhistory descriptionlevel doi e-mailaddress electronicmailaddress format isbn label lineage mark mirrorrepository nextedition notes orcid parameterlist parentrepositories previousedition previouslowerunit progress project readergroup rightsholder schedulinginformation secondarydate secondarymark session shorttitle sponsor subject tertiarymark tertiarytype typeofwork url versiontype |
| 7. Description control | |
| e-Mail (login) | marciana |
| update | |