JP6085708B1 - 合金材料用研磨組成物及び合金材料の研磨方法 - Google Patents
合金材料用研磨組成物及び合金材料の研磨方法 Download PDFInfo
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- JP6085708B1 JP6085708B1 JP2016074629A JP2016074629A JP6085708B1 JP 6085708 B1 JP6085708 B1 JP 6085708B1 JP 2016074629 A JP2016074629 A JP 2016074629A JP 2016074629 A JP2016074629 A JP 2016074629A JP 6085708 B1 JP6085708 B1 JP 6085708B1
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- 229940005550 sodium alginate Drugs 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 1
- 239000001593 sorbitan monooleate Substances 0.000 description 1
- 235000011069 sorbitan monooleate Nutrition 0.000 description 1
- 229940035049 sorbitan monooleate Drugs 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- UJJLJRQIPMGXEZ-UHFFFAOYSA-N tetrahydro-2-furoic acid Chemical compound OC(=O)C1CCCO1 UJJLJRQIPMGXEZ-UHFFFAOYSA-N 0.000 description 1
- UAXOELSVPTZZQG-UHFFFAOYSA-N tiglic acid Natural products CC(C)=C(C)C(O)=O UAXOELSVPTZZQG-UHFFFAOYSA-N 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 1
- AQLJVWUFPCUVLO-UHFFFAOYSA-N urea hydrogen peroxide Chemical compound OO.NC(N)=O AQLJVWUFPCUVLO-UHFFFAOYSA-N 0.000 description 1
- 229940005605 valeric acid Drugs 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1409—Abrasive particles per se
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
上記の目的を達成するために、本発明の一態様では、合金材料を研磨対象とし、体積基準における積算粒子径分布の大粒子径側からの積算体積が10%,50%,90%となる粒子径をそれぞれD10,D50,D90としたとき、D50が3.1〜12μmであり、D10とD90との差をD50で除した値が0.7〜2.4である粒子径分布を有する酸化アルミニウム粒子、及び水を含む合金材料用研磨組成物を要旨とする。
水溶性重合体の例としては、例えば、ポリカルボン酸、ポリホスホン酸、ポリスチレンスルホン酸等のポリスルホン酸、キタンサンガム、アルギン酸ナトリウム等の多糖類、ヒドロキシエチルセルロース、カルボキシメチルセルロース等のセルロース誘導体、ポリビニルアルコール、ポリビニルピロリドン、ソルビタンモノオレエート、単一種又は複数種のオキシアルキレン単位を有するオキシアルキレン系重合体、それらの共重合体、それらの塩、それらの誘導体等が挙げられる。
合金材料の研磨方法は、上記研磨組成物を用いて合金材料を研磨する研磨工程を有する。研磨組成物は、金属材料の研磨で通常に用いられるのと同じ装置及び条件で使用することができる。研磨パッドを使用した場合には、研磨パッドと合金材料との間の摩擦、及び研磨組成物と合金材料との間の摩擦により、合金材料は物理的に研磨される。
(1)上記実施形態の研磨組成物では、体積基準における積算粒子径分布の大粒子径側からの積算体積が10%,50%,90%となる粒子径をそれぞれD10,D50,D90としたとき、D50が3.1〜12μmであり、D10とD90との差をD50で除した値が0.7〜2.4である粒子径分布を有する酸化アルミニウム粒子を含むよう構成した。したがって、合金材料に対する研磨特性を向上できる。より具体的には、合金材料に対する研磨速度を向上できる。また、研磨組成物による研磨面のスクラッチの発生を抑制するとともに、表面粗さを良好なものとすることができる。
・前記研磨組成物は、一剤型であってもよいし、二剤以上から構成する多剤型であってもよい。
・前記研磨組成物を用いた合金材料の研磨の前にラッピング研磨工程を行ってもよい。研磨組成物を用いた合金材料の研磨の後に、仕上げ研磨工程を行ってもよい。
(試験例1:アルミニウム合金に対する研磨試験)
砥粒としての下記表1に示す各例のアルミナ粒子を20質量%の含有量となるように水で希釈し、分散助剤としてポリアクリル酸ナトリウム(質量平均分子量:2,000)を0.5質量%の含有量となるようにそれぞれ加えて攪拌し、混合液を調製した。次に、pHメーターによりpHを確認しながら、前記混合液に酸又はその塩としてクエン酸を加え、pH2.2に調整することにより各例の研磨組成物を調製した。各例の研磨組成物中に含有されるアルミナ粒子の詳細を表1に示す。
アルミナ粒子の平均一次粒子径は、走査型電子顕微鏡(S- 4700、日立ハイテクノロジーズ社製)の画像から、画像解析ソフトウエアを使用して測定した。測定は、走査型電子顕微鏡の10視野から選択した合計200個のアルミナ(1視野当たり20個)について実施した。
実施例1〜4及び比較例1〜3の各研磨組成物を用いて、表3に示す条件でアルミニウム合金を研磨した。そして、各研磨組成物によるアルミニウム合金の研磨速度を求めるとともに、研磨後のアルミニウム合金の表面粗さ及びスクラッチの発生の有無を測定した。
研磨前後の合金材料の質量の差から研磨速度を算出した。その結果を表2の“研磨速度”欄に示す。
研磨後の合金材料の表面粗さRaを非接触表面形状測定器(レーザー顕微鏡VK-X200、キーエンス社製)を用いて測定した。なお、表面粗さRaは、粗さ曲線の高さ方向の振幅の平均を示すパラメータであって、一定視野内での合金材料表面の高さの算術平均を示す。表面粗さ形状測定機による測定範囲は、285×210μmとした。その結果を表2の“表面粗さRa”欄に示す。
蛍光灯下において、目視にて研磨表面全面より観察されるスクラッチを確認することにより、スクラッチ発生の有無を評価した。その結果を表2の“スクラッチ発生の有無”欄に示す。
砥粒としての下記表4に示す各例のアルミナ粒子を20質量%の含有量となるように水で希釈し、分散助剤としてポリアクリル酸ナトリウム(質量平均分子量:2,000)を0.5質量%の含有量となるようにそれぞれ加えて攪拌し、混合液を調製した。次に、pHメーターによりpHを確認しながら、前記混合液に酸又はその塩としてクエン酸を加え、pH2.2に調整することにより各例の研磨組成物を調製した。各例の研磨組成物中に含有されるアルミナ粒子の詳細を表4に示す。表4に示される各パラメータの測定方法は、試験例1と同様である。
試験例1と同様の方法を用いた。その結果を表5の“研磨速度”欄に示す。
<表面粗さの測定>
試験例1と同様の方法を用いた。その結果を表5の“表面粗さRa”欄に示す。
試験例1と同様の方法を用いた。その結果を表5の“スクラッチ発生の有無”欄に示す。
Claims (9)
- 合金材料を研磨対象とし、体積基準における積算粒子径分布の大粒子径側からの積算体積が10%,50%,90%となる粒子径をそれぞれD10,D50,D90としたとき、D50が3.1〜12μmであり、D10とD90との差をD50で除した値が0.7〜2.4である粒子径分布を有する酸化アルミニウム粒子、及び水を含む合金材料用研磨組成物。
- 前記酸化アルミニウム粒子の平均一次粒子径が0.3μm以上である請求項1に記載の合金材料用研磨組成物。
- 前記酸化アルミニウム粒子のα化率が70〜100%である請求項1又は2に記載の合金材料用研磨組成物。
- 前記酸化アルミニウム粒子のD10が25μm以下であり、D90が1.0μm以上である請求項1〜3のいずれか一項に記載の合金材料用研磨組成物。
- 前記合金材料がアルミニウム合金及び鉄合金から選ばれる少なくとも1種である請求項1〜4のいずれか一項に記載の合金材料用研磨組成物。
- 前記合金材料がアルミニウム合金であり、マグネシウム、ケイ素、銅、亜鉛、マンガン、クロム、及び鉄から選ばれる少なくとも1種の金属元素を0.1質量%以上含有する請求項5に記載の合金材料用研磨組成物。
- 前記合金材料が鉄合金であり、クロム、ニッケル、モリブデン、及びマンガンから選ばれる少なくとも一種を10質量%以上含有する請求項5に記載の合金材料用研磨組成物。
- 前記合金材料用研磨組成物中における酸化アルミニウム粒子の含有量が0.1〜50質量%である請求項1〜7のいずれか一項に記載の合金材料用研磨組成物。
- 請求項1〜8のいずれか一項に記載の合金材料用研磨組成物を用いて合金材料を研磨する研磨工程を有する合金材料の研磨方法。
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |