In Situ Observation of Lubricant Film in a Diamond Die for Wire Drawing by Micro-FTIR
The performance of wire drawing is closely dependent on lubrication between die and metal wire. The behavior of lubricants between the die and the wire plays an important role in the lubricating performance for wire drawing. Therefore, the lubricant behavior should be made clearer by a direct observ...
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Japanese Society of Tribologists
2016
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oai:doaj.org-article:6d47c3a9a085474fb78b7453c32ad9e62021-11-05T09:21:40ZIn Situ Observation of Lubricant Film in a Diamond Die for Wire Drawing by Micro-FTIR1881-219810.2474/trol.11.88https://doaj.org/article/6d47c3a9a085474fb78b7453c32ad9e62016-04-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/11/2/11_88/_pdf/-char/enhttps://doaj.org/toc/1881-2198The performance of wire drawing is closely dependent on lubrication between die and metal wire. The behavior of lubricants between the die and the wire plays an important role in the lubricating performance for wire drawing. Therefore, the lubricant behavior should be made clearer by a direct observation of the drawing interface in die. The objective of this work is to understand the behavior of lubricants based on the chemical reactions for wire drawing. The drawing properties of these lubricants are discussed on the basis of the generation of metal soap. In situ observation of lubricant film during wire drawing was carried out using a micro-Fourier transform infrared spectroscopy (FTIR). The infrared (IR) spectra of oil film between die and metal wire can be obtained and oil film shape and concentration of additive can be estimated. It was found that oleic acid as an additive reacts with metal wire chemically and metal soap was formed. The concentration of metal soap was distributed to be high at the end of reduction zone under the dynamic conditions.Yasushi HoshiHidetaka NanaoKoji TakiwatariShigeyuki MoriTakahisa ShizukuJapanese Society of Tribologistsarticlewire drawingbrass wiresteel cordmetal soapmicro-ftirin situ observationPhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 11, Iss 2, Pp 88-93 (2016) |
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DOAJ |
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DOAJ |
| language |
EN |
| topic |
wire drawing brass wire steel cord metal soap micro-ftir in situ observation Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 |
| spellingShingle |
wire drawing brass wire steel cord metal soap micro-ftir in situ observation Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Yasushi Hoshi Hidetaka Nanao Koji Takiwatari Shigeyuki Mori Takahisa Shizuku In Situ Observation of Lubricant Film in a Diamond Die for Wire Drawing by Micro-FTIR |
| description |
The performance of wire drawing is closely dependent on lubrication between die and metal wire. The behavior of lubricants between the die and the wire plays an important role in the lubricating performance for wire drawing. Therefore, the lubricant behavior should be made clearer by a direct observation of the drawing interface in die. The objective of this work is to understand the behavior of lubricants based on the chemical reactions for wire drawing. The drawing properties of these lubricants are discussed on the basis of the generation of metal soap. In situ observation of lubricant film during wire drawing was carried out using a micro-Fourier transform infrared spectroscopy (FTIR). The infrared (IR) spectra of oil film between die and metal wire can be obtained and oil film shape and concentration of additive can be estimated. It was found that oleic acid as an additive reacts with metal wire chemically and metal soap was formed. The concentration of metal soap was distributed to be high at the end of reduction zone under the dynamic conditions. |
| format |
article |
| author |
Yasushi Hoshi Hidetaka Nanao Koji Takiwatari Shigeyuki Mori Takahisa Shizuku |
| author_facet |
Yasushi Hoshi Hidetaka Nanao Koji Takiwatari Shigeyuki Mori Takahisa Shizuku |
| author_sort |
Yasushi Hoshi |
| title |
In Situ Observation of Lubricant Film in a Diamond Die for Wire Drawing by Micro-FTIR |
| title_short |
In Situ Observation of Lubricant Film in a Diamond Die for Wire Drawing by Micro-FTIR |
| title_full |
In Situ Observation of Lubricant Film in a Diamond Die for Wire Drawing by Micro-FTIR |
| title_fullStr |
In Situ Observation of Lubricant Film in a Diamond Die for Wire Drawing by Micro-FTIR |
| title_full_unstemmed |
In Situ Observation of Lubricant Film in a Diamond Die for Wire Drawing by Micro-FTIR |
| title_sort |
in situ observation of lubricant film in a diamond die for wire drawing by micro-ftir |
| publisher |
Japanese Society of Tribologists |
| publishDate |
2016 |
| url |
https://doaj.org/article/6d47c3a9a085474fb78b7453c32ad9e6 |
| work_keys_str_mv |
AT yasushihoshi insituobservationoflubricantfilminadiamonddieforwiredrawingbymicroftir AT hidetakananao insituobservationoflubricantfilminadiamonddieforwiredrawingbymicroftir AT kojitakiwatari insituobservationoflubricantfilminadiamonddieforwiredrawingbymicroftir AT shigeyukimori insituobservationoflubricantfilminadiamonddieforwiredrawingbymicroftir AT takahisashizuku insituobservationoflubricantfilminadiamonddieforwiredrawingbymicroftir |
| _version_ |
1718444415670812672 |