CN104884653B - decorative member - Google Patents

decorative member Download PDF

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Publication number
CN104884653B
CN104884653B CN201380068735.1A CN201380068735A CN104884653B CN 104884653 B CN104884653 B CN 104884653B CN 201380068735 A CN201380068735 A CN 201380068735A CN 104884653 B CN104884653 B CN 104884653B
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CN
China
Prior art keywords
decorative element
metal
metallic luster
surface roughness
black
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201380068735.1A
Other languages
Chinese (zh)
Other versions
CN104884653A (en
Inventor
柴田进
高桥治
宫原孝好
奥山行雄
竹内贵幸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Adamant Namiki Precision Jewel Co Ltd
Original Assignee
Namiki Precision Jewel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of CN104884653A publication Critical patent/CN104884653A/en
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Expired - Fee Related legal-status Critical Current
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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C29/00Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C29/00Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/04Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbonitrides
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C29/00Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/16Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on nitrides
    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44CPERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00Making jewellery or other personal adornments
    • A44C27/001Materials for manufacturing jewellery
    • A44C27/002Metallic materials
    • A44C27/003Metallic alloys

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Adornments (AREA)
  • Ceramic Products (AREA)

Abstract

The invention provides a decorative member that produces a blackish luster derived from metal while demonstrating superior wear resistance and having a reduced weight. The two features of wear resistance and reduced weight are achieved by applying, on a decorative member, a cermet constituted by a hard phase including at least two of TiCN, TiC, TiN, and MoC2 in a proportion of 70 to 97% by mass with the remainder being constituted by a binder phase and unavoidable impurities. It is also possible to provide a user-friendly decorative member that satisfies all of wear resistance, reduced weight, and blackish metallic luster by finishing the surface roughness of the decorative member to a mirror finish state.

Description

Decorative element
Technical field
The present invention relates to decorative element, the decorative element presents and is suitable to dress ornament decorative element, clock and watch decorative element, builds The decorative elements such as timber-used decorative element, kitchen appliance decorative element, household electrical appliances decorative element and automobile decorative element Metallic luster, the invention particularly relates to be applied to watch case, watchband pearl and the clock and watch dress of the metallic luster of beauty can be presented Trim.
Background technology
At present, in the clock and watch and bullion shop in Europe, the clock and watch decorative element of black system attracts attention deeply, recently, The clock and watch decorative element of black system becomes to become more and more popular.Most of decorative elements all adopt colour, and therein using black The decorative element of colour system is used as since ancient times the formal color of comparison, and it can give people to bring simply and the sensation of nobleness, Thus it is all the time all well received.By the black system metallic luster for presenting certain metal finish into mirror status It is also one of them, the touch sense of its tone and metal has much popularity.
In this case, from the past till now, it has been proposed that various black systems decorative element.Example Such as, in patent documentation 1, disclose as the monochromatic decorative element in black and white system with WC systems, TiC systems, NbC as mainly into Divide and the monochromatic superhard alloy in black and white system.
In addition, a kind of decoration object with the zirconium oxide of black as main component is Patent Document 2 discloses, wherein, The decoration object by the zirconic substrate (matrix) of 3wt%~70wt%, the cobalt oxide of 25wt%~50wt% and Remainder is constituted, and the zirconium oxide is using in the oxide group constituted selected from yittrium oxide, magnesium oxide, cerium oxide and calcium oxide At least one oxide it is stable after zirconium oxide, remainder includes the powder or spinel-type of cobalt oxide and ferrum oxide The powder of CoFe204.
In addition, the zirconia ceramicss and the decorative element using the zirconia ceramicss of black are Patent Document 3 discloses, its In, the zirconia ceramicss are characterised by:Its by 40wt%~70wt% cobalt oxide (CoO, Co2O3、Co3O4In at least appoint Meaning is a kind of) and coloring agent composition, wherein, the coloring agent is by ferrum oxide (Fe2O3) and chromium oxide (Cr2O3) constitute, also, it is above-mentioned The amount of ferrum oxide is 15wt%~30wt%, and the amount of above-mentioned cobalt oxide is 40wt%~70wt%.
【Prior art literature】
【Patent documentation】
Patent documentation 1:JP Publication, JP No. 60-4051 number
Patent documentation 2:JP Publication, special permission the 3714563rd
Patent documentation 3:JP Publication, special permission the 4960070th
The content of the invention
But, the superhard alloy disclosed in patent documentation 1, although with the black and white produced by superhard metal and golden system Metallic luster, but, because it is formed by superhard metal, thus density is up to 12.8g/m3~14.3g/m3, so as to use With person cannot be worn on for a long time.
In addition, the decoration object with black zirconia as main component disclosed in patent documentation 2, possesses zirconium oxide former The mechanical property of some high intensity or high tenacity etc., and density is relatively low, is 6.0g/cm3But, because its tone is micro- Black tone in cyan and the black from zirconia ceramicss, therefore, it does not contain metal so as to not possess from metal Black system gloss.
In addition, the black zirconia ceramics disclosed in patent documentation 3 are in the black tone for being referred to as pole black, density is 5.9g/cm3~6.1g/cm3But, because it is to utilize ceramics made by metal-free material, thus black cannot be reproduced The metallic luster of system and metal touch sense.Further, since raw material is zirconium oxide, thus Vickers hardness is less than the dimension of superhard alloy Family name's hardness 1450Hv.
The present invention is completed in view of the above problems, be its object is to offer one kind and is had and superhard metal equal extent Outstanding wearability and lightweight, use so as to be suitable to long-time, and the black system tone from metal is presented, and have Distinctive smooth touch of metal is felt, the decorative element of the enjoyment thus, it is possible to obtain feeling of high class and U.S..
The present invention decorative element be made up of hard phase and remainder, the hard phase with more than 70wt% and 97wt% with Under ratio contain TiCN, TiC, TiN, MoC2In more than at least two, remainder includes Binder Phase and inevitably Impurity, the decorative element is characterised by:Wearability is outstanding, lightweight, also, the surface roughness Ra on the decorative element surface For less than 0.008 μm.
In addition, the decorative element of the present invention is in the decorative element of above-mentioned composition, surface roughness is Ra at 0.004 μm Below and Rz is below 0.02 μm.
(invention effect)
The present invention decorative element be made up of hard phase and remainder, the hard phase with more than 70wt% and 97wt% with Under ratio contain TiCN, TiC, TiN, MoC2In more than at least two, remainder includes Binder Phase and inevitably Impurity, the wearability of the decorative element is outstanding and lightweight, also, the surface roughness Ra of the decorative element 0.008 μm with Under.
By by TiCN, TiC, TiN, MoC2In more than at least two composition, apparent density can be decreased to 6.1g/ cm3It is below and equal with zirconium oxide or equal light with Shangdi, even if so as to owner's long periods of wear is using being not easy to fatigue, and And, because vickers hardness hv is more than 1450, thus possess the wearability with superhard metal equal extent, so as to decorative element not It is easily damaged.
Further, by making surface roughness Ra below 0.008 μm, using the teaching of the invention it is possible to provide touch sense well and diffuse-reflectance degree is little, And the decorative element of the metallic luster of presentation black system.Thus, the metallic luster by black system and the touch sense of metal, make The dress ornament of clock and watch shell, watchband pearl, brooch, necklace, earrings, ring, tie clip, tie-pin, souvenir badge, spectacle-frame, button etc. is used Decorative element;The building materials ornament materials of decorative ground, wall, the ceramic tile OR gate handle of ceiling etc.;The kitchen of soupspoon, fork etc. Room utensil decorative element;Or other household electrical appliances decorative elements, automobile decorative element popularity in the market are uprised, especially It uprises clock and watch shell, the popularity of watchband pearl.
The ceramic metal decorative element of the present invention, is more preferably formed as Ra below 0.004 μm and Rz by surface roughness Below 0.02 μm, so that the direct reflection on decorative element surface is more than diffuse-reflectance, thus do not exist because of the unrestrained of visible ray Reflection and the white that causes, present the metallic luster of black system, also, realize full of decorative element itself have it is thick and heavy The metallic luster of sense and be suitable to the smooth touch sense of skin such that it is able to further obtain feeling of high class, beautiful enjoyment and Spiritual comfort, and be expected to improve the popularity in market.
Description of the drawings
The state of the decorative element of non-mirror surface state is shown in Fig. 1.
The state of the decorative element of mirror status is shown in Fig. 2.
Illustrate in Fig. 3 using atomic force microscope (Japanese SEIKO Instruments Inc. productions, Nanopics 1000) it is amplified to the state of the decorative element of the non-mirror surface state after 500 times.
Illustrate in Fig. 4 using atomic force microscope (Japanese SEIKO Instruments Inc. productions, Nanopics 1000) state of the decorative element of the mirror status being amplified to after 500 times.
Fig. 5 is the axonometric chart of a configuration example of the clock and watch shell of the clock and watch decorative element for being denoted as the present invention.
Fig. 6 is the figure of a configuration example of the watchband of the clock and watch decorative element that medelling is denoted as the present invention.
Specific embodiment
Hereinafter, for the example of embodiment of the present invention is illustrated.
The present invention decorative element be made up of hard phase (hard phase) and remainder, the hard phase with 70wt% with The ratio of upper and below 97wt% contains TiC, TiCN, TiN, MoC2In at least any two or more materials, remainder bag Binder Phase (binding phase) and inevitable impurity (unavoidable impurities) are included, the decorative element It is characterised by:Wearability is outstanding and lightweight, and the surface roughness Ra of the decorative element is below 0.008 μm.
In order to obtain that the metallic luster of black system is presented, and wearability is outstanding and lightweight such that it is able to make for a long time Decorative element, the present inventors for various raw materials be repeated test after find, by will by hard phase and remaining The ceramic metal that part is constituted is configured to decorative element, and the surface roughness Ra of ceramic metal decorative element is refined to Less than 0.008 μm such that it is able to which the owner to pursuing decorative value brings feeling of high class, beautiful enjoyment, spiritual comfort etc., and Black system tone rather well received on nearest market can be presented, wherein, above-mentioned hard phase is with more than 70wt% and 97wt% Following ratio contains TiC, TiCN, TiN, MoC2In more than at least two, above-mentioned remainder includes Binder Phase and can not The impurity for avoiding.
In addition, " wearability is outstanding " described in the present invention refers to:The Vickers hardness of the metal surface of decorative element exists More than 1450.By with TiC, TiCN, TiN, MoC2In more than at least two as main component, can be formed as desired Vickers hardness.
In addition, " lightweight " described in the present invention is referred to:The density of decorative element is in 6.1g/cm3Below.By not making With TaC, PbC, WC equimolecular quantity up to raw material of 192g, 219g, 195g respectively, can realize desired less close Degree.
In addition, the surface roughness Ra in the present invention is using laser microscope or atomic force microscope (Japan SEIKO Instruments Inc. productions, Nanopics 1000) roughness measured.By by the surface of decorative element Roughness Ra is refined to less than 0.008 μm such that it is able to be finish-machined to the mirror status that visible ray is specularly reflected.
According to Fig. 1~Fig. 2 for mirror status are illustrated with the difference of non-mirror surface state.Fig. 1 is that Ra is more than 0.008 μm Non-mirror surface state decorative element surface photo, Fig. 2 is the decorative element surface of the mirror status that Ra is less than 0.008 μm Photo.
The metal surface of the non-mirror surface state of Fig. 1 is fuzzy in dull, and the shape whitened because of the diffuse-reflectance of light State, the metal surface of the mirror status of Fig. 2 in the bright and clearly state of gloss, it follows that in the mirror-like of Fig. 2 Under state, the metallic luster of black system can be presented.
In addition, the present inventors has found:By changing ceramic-metallic surface roughness, resulting metal can be changed The degree of the metallic luster of ceramics, especially surface roughness be changed into Ra less than 0.004 μm and Rz below 0.02 μm when, it is golden Belong to the widely different of gloss.Now, using atomic force microscope (Japanese SEIKO Instruments Inc. production, Nanopics 1000) carry out measurement surface roughness Ra, measure Rz using laser microscope.
Fig. 3 and Fig. 4 be respectively using atomic force microscope (Japanese SEIKO Instruments Inc. production, Nanopics 1000) 40 μm of regions of parts surface are amplified after photo.Wherein, Fig. 3 represents that surface roughness Ra is more than The apparent condition of 0.004 μm of ceramic metal decorative element, Fig. 4 represents metal pottery of the surface roughness Ra below 0.004 μm The apparent condition of porcelain decorative element.
Understand after Fig. 3 and Fig. 4 are compared:In the minute surface being refined to surface roughness Ra below 0.004 μm, The diffuse-reflectance of visible ray further tails off, and there are black portions.It follows that surface roughness is more little, more can present The metallic luster of black system.
In addition, the relation between Rz and metallic luster is as shown in table 1.Illustrate what is measured using laser microscope in table 1 The value of each ceramic-metallic surface roughness Ra and Rz and the actual surface state being visually observed.
【Table 1】
As shown in Table 1:When surface roughness Ra is up to more than 0.01 μm, apparent condition is in non-mirror surface state, works as surface When roughness Ra is changed into less than 0.004 μm, apparent condition is mirrored state.Further, arithmetic average roughness Ra is not only, from gold From the point of view of five higher positions of metal surface and 10 mean roughness Rz of five lower positions, existed by being refined to Ra Less than 0.004 μm and Rz below 0.02 μm, can present the black system metallic luster gorgeous almost without diffuse-reflectance.
Therefore, the surface roughness of metal surface is lower, then regular reflection (the regular of metal surface Reflection it is) more, so as to can more present more bright metallic luster.The surface roughness of metal surface is preferably Ra Below 0.008 μm, in this case, the few black system metallic luster of diffuse-reflectance can be presented.Further, the surface of metal surface Roughness is more preferably Ra below 0.004 μm and Rz is below 0.02 μm, in this case, can present almost without diffuse-reflectance And gorgeous black system metallic luster.
By being finish-machined to above-mentioned any one surface roughness Ra, Rz, metal surface can be suppressed to produce the unrestrained anti-of light Penetrate, so as to present the metallic luster of black system, and the smooth touch sense of metal can be reproduced, therefore, feeling of high class increases, And the enjoyment of U.S. also increases.
Then, for of manufacture method of the ceramic metal decorative element of the present invention illustrates.
The ceramic metal decorative element of the present invention, the shape of decorative element that can be by the way that ceramic metal to be configured to specify And obtain, wherein, in the ceramic metal containing more than 70wt% and below 97wt% TiC or TiCN and MoC2, its remaining part Dividing includes Binder Phase and inevitable impurity.In addition, manufacturing process is not particularly limited, it is possible to use extrusion molding, injection The methods such as shaping, sintering, grinding, grinding, eletroforming, Electrolyzed Processing, spark machined, Laser Processing.
For example, in an embodiment of the present invention, ceramic metal is configured to the clock and watch shown in Fig. 5, Fig. 6 using said method Shell or the shape of watchband pearl (band piece).
In addition, processed by implementing to add to above-mentioned clock and watch shell or above-mentioned watchband pearl after forming, so as to be finish-machined to be in The mirror status of existing metallic luster.Method for being finish-machined to the mirror status of presentation metallic luster is not particularly limited, can It is in the present embodiment, raw by batch with using methods such as etching, evaporation, plating, grinding, cleaning, Laser Processing, ion platings Produce easily and can disposably complete chamfering or rounding (rounding) tumbling (barrel polishing) and It is finish-machined to mirror status.
In the clock and watch shell of the present embodiment or watchband pearl, by the way that surface roughness is refined to into Ra more than 0.004 μm And less than or equal to 0.008 μm, so as to present the metallic luster of black system, in addition, by the way that surface roughness is refined to into Ra It it is less than 0.02 μm for less than 0.004 μm and Rz, so as to deeper black system metallic luster is presented.In theory it is considered that surface Most deep black system metallic luster is presented when roughness is Ra=0.000 μm and Rz=0.00 μm.
In addition, the specification of the clock and watch shell, watchband pearl in embodiments of the invention is as follows:Apparent density is 5.8g/cm3, dimension Family name's hardness is 1570Hv, and weight is light substantially in the same manner with zirconium oxide, and Vickers hardness is hardness more than superhard alloy, so as to all Person's life-time service is not easy to fatigue, and clock and watch shell, watchband pearl be not easily damaged.
So obtained clock and watch shell or watchband pearl, due to being finish-machined to that the minute surface of metallic luster is presented, therefore, it is possible to There is provided with feeling of high class and be obtained the clock and watch decorative element of the enjoyment of U.S..
In addition, the present invention is not limited to clock and watch decorative element, it is also possible to suitable for brooch, necklace, earrings, ring, neck Dress ornament decorative element with folder, tie-pin, souvenir badge, spectacle-frame, button etc.;Decorative ground, wall, the ceramic tile of ceiling or The building materials decorative element of person's door handle etc.;The kitchen appliance decorative element of soupspoon, fork etc.;Or other household electrical appliances dresses In trim, automobile decorative element.
Also, ceramic metal decorative element provided by the present invention, wearability is outstanding, hardness is high and not easily damaged, weight Gently can for a long time use, and metallic luster is presented.

Claims (2)

1. a kind of decorative element, it is made up of hard phase and remainder, wherein, the hard phase with more than 70wt% and The ratio of below 97wt% contains TiCN, TiC, TiN, MoC2In more than at least two, the remainder include Binder Phase With inevitable impurity,
The decorative element is characterised by,
Lightweight and wearability is outstanding, also, the surface roughness Ra of the decorative element is below 0.008 μm.
2. decorative element as claimed in claim 1, it is characterised in that
The surface roughness of the decorative element is for Ra is below 0.004 μm and Rz is below 0.02 μm.
CN201380068735.1A 2013-01-16 2013-12-26 decorative member Expired - Fee Related CN104884653B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013005322 2013-01-16
JP2013-005322 2013-01-16
PCT/JP2013/084832 WO2014112314A1 (en) 2013-01-16 2013-12-26 Decorative member

Publications (2)

Publication Number Publication Date
CN104884653A CN104884653A (en) 2015-09-02
CN104884653B true CN104884653B (en) 2017-04-26

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Country Status (6)

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EP (1) EP2947166A4 (en)
JP (1) JP6343795B2 (en)
KR (1) KR20150104116A (en)
CN (1) CN104884653B (en)
HK (1) HK1211324A1 (en)
WO (1) WO2014112314A1 (en)

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Publication number Priority date Publication date Assignee Title
CN107587022B (en) * 2017-08-10 2019-10-18 东莞华晶粉末冶金有限公司 A kind of ceramic tool material, cutter and manufacturing method
EP3968098A1 (en) * 2020-09-09 2022-03-16 The Swatch Group Research and Development Ltd Decorative item made of cermet
EP3974405A1 (en) * 2020-09-25 2022-03-30 The Swatch Group Research and Development Ltd Ceramic decorative item
NL2029278B1 (en) * 2021-09-29 2023-04-06 Champion Link Int Corp Decorative panel and method for producing decorative panel

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JPS604051A (en) 1983-06-22 1985-01-10 セイコーエプソン株式会社 Polychrome carbide alloy for ornamental member
JPH0368738A (en) * 1989-08-07 1991-03-25 Kyocera Corp Hard sintered alloy
JP2722118B2 (en) * 1989-08-07 1998-03-04 京セラ株式会社 Titanium carbide based silver sintered alloy
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JP5864421B2 (en) * 2011-03-07 2016-02-17 住友電工ハードメタル株式会社 Materials for decorative parts
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Publication number Publication date
KR20150104116A (en) 2015-09-14
JPWO2014112314A1 (en) 2017-01-19
CN104884653A (en) 2015-09-02
EP2947166A4 (en) 2016-11-09
EP2947166A1 (en) 2015-11-25
WO2014112314A1 (en) 2014-07-24
JP6343795B2 (en) 2018-06-20
HK1211324A1 (en) 2016-05-20

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