JP5305236B2 - 硬質皮膜被覆工具 - Google Patents
硬質皮膜被覆工具 Download PDFInfo
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- JP5305236B2 JP5305236B2 JP2009089547A JP2009089547A JP5305236B2 JP 5305236 B2 JP5305236 B2 JP 5305236B2 JP 2009089547 A JP2009089547 A JP 2009089547A JP 2009089547 A JP2009089547 A JP 2009089547A JP 5305236 B2 JP5305236 B2 JP 5305236B2
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- 238000000576 coating method Methods 0.000 title claims description 106
- 239000011248 coating agent Substances 0.000 title claims description 101
- 239000013078 crystal Substances 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims abstract description 29
- 238000002441 X-ray diffraction Methods 0.000 claims abstract description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 21
- 239000001301 oxygen Chemical group 0.000 claims description 21
- 229910052760 oxygen Chemical group 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- 239000010936 titanium Substances 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- 229910052796 boron Inorganic materials 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 239000007888 film coating Substances 0.000 claims 1
- 238000009501 film coating Methods 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 4
- 239000010408 film Substances 0.000 description 205
- 238000005520 cutting process Methods 0.000 description 54
- 230000000052 comparative effect Effects 0.000 description 34
- 238000012360 testing method Methods 0.000 description 19
- 230000015572 biosynthetic process Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 14
- 239000007789 gas Substances 0.000 description 13
- 230000007547 defect Effects 0.000 description 12
- 238000003466 welding Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 150000002500 ions Chemical class 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 206010040844 Skin exfoliation Diseases 0.000 description 8
- 230000007423 decrease Effects 0.000 description 8
- 238000005461 lubrication Methods 0.000 description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 5
- 150000004767 nitrides Chemical class 0.000 description 5
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000005240 physical vapour deposition Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 229910052582 BN Inorganic materials 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000010955 niobium Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910001315 Tool steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000007733 ion plating Methods 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000013077 target material Substances 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- -1 AlN compound Chemical class 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000004453 electron probe microanalysis Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 102220097517 rs876659265 Human genes 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Cutting Tools, Boring Holders, And Turrets (AREA)
Description
(AlaMe100−a)eNfで示され、アルミニウム(Al)含有量を表すa値が35≦a≦65、の範囲のとき、耐熱性、耐摩耗性が優れる。a値が65%を超えて大きいと、第1皮膜断面組織が微細化して圧縮応力が増大し基体との密着性が劣化する不都合が生じる。a値が35%未満であると、耐摩耗性が劣ると言う不都合が生じる。元素をMeとして集合的に呼称するMe成分は、イオン半径が0.041〜0.1nmの4a、5a、6a族の元素や、イオン半径が0.002〜0.04nmの珪素(Si)、硼素(B)等を含有した窒化物として被覆することが好ましい。この理由は、Me成分、珪素や硼素のイオン半径と、アルミニウム元素のイオン半径との間に差が生じ、結晶構造に応力が作用して、皮膜の高硬度化に好都合だからである。Me成分として、例えばチタニウム(Ti)を選択することにより、第1硬質皮膜の高硬度化に有効である。また、例えばMeが珪素(Si)、硼素(B)では、固溶体を維持する含有量の範囲が1%から20%であり、優れた耐熱性や潤滑特性を得られる。また、MeとしてW、Nb、Crを含有することにより、第1硬質皮膜の耐熱性、高硬度化の改善に有効である。
切削方法:長手方向連続切削
被削材形状:直径160mm、長さ600mmの丸棒材
被削材:S53C、HB260、調質材
軸方向切込み量:2.0mm
切削速度:300m/分
1回転あたりの送り量:0.4mm/回転
切削油:なし
Claims (4)
- 超硬合金を基体に圧縮応力を有する硬質皮膜を5〜30μmの膜厚で被覆した硬質皮膜被覆工具において、該硬質皮膜は、該基体表面から第1硬質皮膜、第2硬質皮膜が被覆され、最外皮膜は該第2硬質皮膜が被覆され、該第1硬質皮膜は、(AlaMe100−a)eNfで示され、但し、aは原子%、e、fは原子比を表し、35≦a≦65、0.85≦e/f≦1.25、であり、Alはアルミニウム、Meは4a、5a、6a族、Si、Bから選択される1種以上の元素、Nは窒素であり、該第2硬質皮膜は、(Ti100−hBh)mNpで示され、但し、hは原子%、m、pは原子比を表し、h≦30、0.85≦m/p≦1.25、であり、Tiはチタニウム、Bは硼素、Nは窒素であり、該第1硬質皮膜、該第2硬質皮膜の結晶構造は面心立方構造であり、該第1硬質皮膜のX線回折において(111)面のピーク強度をIr、(200)面のピーク強度をIs、(220)面のピーク強度をItとしたときに、0.2≦Is/Ir≦1.4、0.6≦It/Is≦1.5、であり、該第1硬質皮膜と該第2硬質皮膜のX線回折における(111)面の面間隔(nm)を夫々、d1、d2としたときに、1.01≦d2/d1≦1.05であり、該第2硬質皮膜は柱状組織を有し、該柱状組織の結晶粒はB成分に組成差を有する組成変調構造であることを特徴とする硬質皮膜被覆工具。
- 請求項1記載の硬質皮膜被覆工具において、該第1硬質皮膜における窒素について、その1部を炭素、酸素で置換し、非金属成分全体を100とし、原子%で炭素元素の含有量をx、酸素元素の含有量をyとしたとき、0<x≦10、0<y≦10、0<x+y≦10、窒素の含有量は100−x−y、であることを特徴とする硬質皮膜被覆工具。
- 請求項1または請求項2記載の硬質皮膜被覆工具において、該第2硬質皮膜におけるチタニウムについて、その1部をシリコンで置換し、金属成分全体を100としたとき、原子%でシリコンの含有量をk、としたとき、0<k≦20、チタニウムの含有量は100−h−k、であることを特徴とする硬質皮膜被覆工具。
- 請求項1ないし請求項3の何れかに記載の硬質皮膜被覆工具において、圧縮応力を有する該硬質皮膜の総膜厚は、10μm〜30μmであることを特徴とする硬質皮膜被覆工具。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009089547A JP5305236B2 (ja) | 2009-03-10 | 2009-03-10 | 硬質皮膜被覆工具 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009089547A JP5305236B2 (ja) | 2009-03-10 | 2009-03-10 | 硬質皮膜被覆工具 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010208007A JP2010208007A (ja) | 2010-09-24 |
| JP5305236B2 true JP5305236B2 (ja) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009089547A Active JP5305236B2 (ja) | 2009-03-10 | 2009-03-10 | 硬質皮膜被覆工具 |
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| Country | Link |
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| JP (1) | JP5305236B2 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2634285A1 (en) * | 2012-02-29 | 2013-09-04 | Sandvik Intellectual Property AB | Coated cutting tool |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3003986B2 (ja) * | 1996-05-21 | 2000-01-31 | 日立ツール株式会社 | 表面被覆超硬合金製スローアウェイインサート |
| JP3872244B2 (ja) * | 1999-12-27 | 2007-01-24 | 三菱マテリアル神戸ツールズ株式会社 | 耐摩耗性に優れた硬質皮膜および硬質皮膜被覆部材 |
| JP2004042149A (ja) * | 2002-07-09 | 2004-02-12 | Hitachi Tool Engineering Ltd | 被覆切削工具及 |
| JP2004136430A (ja) * | 2002-08-23 | 2004-05-13 | Hitachi Tool Engineering Ltd | 被覆工具 |
| JP4960751B2 (ja) * | 2007-04-24 | 2012-06-27 | 日進工具株式会社 | 硬質皮膜切削工具 |
-
2009
- 2009-03-10 JP JP2009089547A patent/JP5305236B2/ja active Active
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| Publication number | Publication date |
|---|---|
| JP2010208007A (ja) | 2010-09-24 |
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