JPH0368678A - 焼結したゾルゲルアルミナ研磨フィラメント - Google Patents

焼結したゾルゲルアルミナ研磨フィラメント

Info

Publication number
JPH0368678A
JPH0368678A JP2111867A JP11186790A JPH0368678A JP H0368678 A JPH0368678 A JP H0368678A JP 2111867 A JP2111867 A JP 2111867A JP 11186790 A JP11186790 A JP 11186790A JP H0368678 A JPH0368678 A JP H0368678A
Authority
JP
Japan
Prior art keywords
alumina
filaments
particles
abrasive
crystals
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.)
Granted
Application number
JP2111867A
Other languages
English (en)
Other versions
JPH0791532B2 (ja
Inventor
Charles V Rue
チャールズ　ブイ．ルー
De Merwe Ronald H Van
ロナルド　エイチ．ファン　デ　メルベ
Ralph Bauer
バウアー ラルフ
Scott W Pellow
スコット　ダブリュ．ペロウ
Thomas E Cottringer
トーマス　イー．コットリンガー
Richard J Klok
リチャード　ジェイ．クロック
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.)
Saint Gobain Abrasives Inc
Original Assignee
Norton Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23353697&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPH0368678(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Norton Co filed Critical Norton Co
Publication of JPH0368678A publication Critical patent/JPH0368678A/ja
Publication of JPH0791532B2 publication Critical patent/JPH0791532B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • 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
    • 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
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C04B35/1115—Minute sintered entities, e.g. sintered abrasive grains or shaped particles such as platelets
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
    • C04B35/62231—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres based on oxide ceramics
    • C04B35/62236—Fibres based on aluminium oxide
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Inorganic Fibers (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Materials For Medical Uses (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 本発明は、結合した研磨製品、例えば、研削といしおよ
びセグメントにおいて、および被覆製品、例えば、ベル
トおよびディスクにおいて有用である、焼結したゾルゲ
ルアル旦す研磨フィラメントに関する。
ゾルゲル、およびとくに種添加したゾルゲルアルミナ研
磨材は、数年前の導入以来、被覆および結合した研磨材
の用途の広い分野において他の主な研磨材を越えた実質
的な利点を実証した。このような研磨材は、一般に、変
化する量の添加剤、例えば、ＭｇＯまたはＺｒＯ，をま
た含有することができる、水和アルミナゲルを乾燥およ
び焼結することによって作られる。乾燥した材料を焼結
の前または後に破砕して、所望の大きさの範囲の、不規
則なブロック状の多結晶質研磨グリッドを得る。
グリッドは後に結合または被覆した研磨製品、例えば、
研削といしまたはセグメントまたはベルトまたはディス
ク中に組み込むことができる。
米国特許第４．３１４．８２７号（Ｌｅｉｔｈｅｉｓｅ
ｒら）は、直径が５〜１０ミクロン程度である不規則な
「スノーフレーク（ｓｎｏｗｆｌａｋｅ）　Ｊの形状の
アルフッ　Ａｌ、０゜結晶を焼結したグリッドが含有す
るような方法で作られた研磨グリッドを開示している。
「スノーフレーク」のアームの間および隣接する「スノ
ーフレーク」の間の空間は、他の相、例えば、微細な結
晶質のアルミナマグネシアスピネルにより満たされてい
る。

Claims (16)

    【特許請求の範囲】
  1. １．　２ミクロンより大きくない大きさを有する焼結し
    たアルファアルミナの結晶から構成され、前記粒子は実
    質的に均一な断面、２ｍｍ以下の直径、少なくとも１．
    ０の平均のアスペクト比および少なくとも１６ＧＰａの
    硬度を有することを特徴とする、焼結したゾルゲルアル
    ミナに基づく研磨フィラメント。
  2. ２．　１ｃｍより小さい長さを有する、上記第１項記載
    の研磨フィラメント粒子。
  3. ３．　１．５〜２５のアスペクト比、０．０００１ｍｍ
    〜２ｍｍの直径を有し、そして前記アルファアルミナの
    結晶は１ミクロンより大きくない大きさを有する、上記
    第２項記載の研磨粒子。
  4. ４．　前記粒子の少なくとも８０％は、一般に０．４ミ
    クロンより大きくない大きさを有する等軸の結晶からな
    る、上記第２項記載の研磨粒子。
  5. ５．　理論密度の少なくとも９５％の密度を有し、そし
    てジルコニア、チタニア、マグネシア、ハフニア、セリ
    ア、スピネル、ムライト、二酸化マグネシウム、これら
    の酸化物の前駆体、およびそれの混合物から成る群より
    選択される酸化物の１〜５０重量％を含む、上記第２項
    記載の研磨粒子。
  6. ６．　前記アルファアルミナの結晶は１ミクロンより小
    さい大きさを有する種添加したアルファアルミナの結晶
    である、上記第２項記載の研磨粒子。
  7. ７．　前記フィラメントの形状のアルミナに基づく研磨
    材はより長い寸法において湾曲している、上記第２項記
    載の焼結したフィラメントの形状のアルミナに基づく研
    磨材。
  8. ８．　前記フィラメントの形状のアルミナに基づく研磨
    材はそのより長い寸法においてより合わされている、上
    記第２項記載の焼結したフィラメントの形状のアルミナ
    に基づく研磨材。
  9. ９．　ガラス状成分を実質的に含まず、そして少なくと
    も８，０００ｋｇ／ｄの破壊強さを有する、焼結したゾ
    ルゲルフィラメント。
  10. １０．　上記第１項記載のフィラメントで強化された金
    属またはセラミックの複合体。
  11. １１．　工程： １ミクロンより小さい水和アルミナ粒子のゲル化分散液
    を準備し、 前記ゲル化分散液をフィラメントに造形し、前記フィラ
    メントを乾燥し、 前記乾燥したフィラメントを１０９０℃〜１５００℃の
    温度に選択した時間の間焼成して前記フィラメント中の
    アルミナをセラミック物体に転化し、前記セラミック物
    体の主要な部分は約２ミクロン以下の大きさのアルファ
    アルミナの結晶から構成されいる、 からなることを特徴とする、約２ミクロン以下の大きさ
    を有するアルファアルミナの結晶を含有する、焼結した
    アルミナに基づくフィラメント物体を製造する方法。
  12. １２．　前記ゲル化分散液は、焼結の時アルファアルミ
    ナへの前記水和アルミナ粒子の急速な転化を促進するた
    めに有効量の１ミクロンより小さい種粒子を含み、前記
    アルファアルミナの結晶は約１ミクロン以下の結晶大き
    さを有する、上記第１１項記載の方法。
  13. １３．　前記アルファアルミナの結晶は約０．４ミクロ
    ン以下の結晶大きさを有する、上記第１１項記載の方法
    。
  14. １４．　前記種粒子は、アルファアルミナ、アルファ酸
    化第二鉄、ガンマアルミナ、酸化クロム；アルファアル
    ミナ、ガンマアルミナ、酸化クロム、およびアルファ酸
    化第二鉄の前駆体；およびそれらの混合物から成る群よ
    り選択され、そして種粒子は約０．５〜約１０重量％の
    量で存在する、上記第１１項記載の方法。
  15. １５．　ゲル化分散液の前記造形は押出しにより実施す
    る、上記第１１項記載の方法。
  16. １６．　前記ゲル化分散液の造形は紡糸により実施する
    、上記第１１項記載の方法。
JP2111867A 1989-04-28 1990-05-01 焼結したゾルゲルアルミナ研磨フィラメント Expired - Lifetime JPH0791532B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/345,139 US5009676A (en) 1989-04-28 1989-04-28 Sintered sol gel alumina abrasive filaments
US345139 1999-07-06

Publications (2)

Publication Number Publication Date
JPH0368678A true JPH0368678A (ja) 1991-03-25
JPH0791532B2 JPH0791532B2 (ja) 1995-10-04

Family

ID=23353697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2111867A Expired - Lifetime JPH0791532B2 (ja) 1989-04-28 1990-05-01 焼結したゾルゲルアルミナ研磨フィラメント

Country Status (16)

Country Link
US (2) US5009676A (ja)
EP (1) EP0395091B2 (ja)
JP (1) JPH0791532B2 (ja)
KR (1) KR0139203B1 (ja)
CN (1) CN1036145C (ja)
AT (1) ATE146533T1 (ja)
AU (1) AU620241B2 (ja)
BR (1) BR9002015A (ja)
CA (1) CA2015319C (ja)
DE (1) DE69029421T3 (ja)
DK (1) DK0395091T4 (ja)
ES (1) ES2095221T3 (ja)
GR (1) GR3022816T3 (ja)
MX (1) MX174564B (ja)
NO (1) NO175971B1 (ja)
ZA (1) ZA903148B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018003655A1 (en) 2016-06-28 2018-01-04 Showa Denko K.K. Electrofused alumina grains, production method for electrofused alumina grains, grinding stone, and coated abrasive

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US5009676A (en) 1991-04-23
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EP0395091A2 (en) 1990-10-31
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DE69029421D1 (de) 1997-01-30
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US5194072A (en) 1993-03-16

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