JPWO2012105710A1 - cBN焼結体工具および被覆cBN焼結体工具 - Google Patents
cBN焼結体工具および被覆cBN焼結体工具 Download PDFInfo
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Abstract
Description
(1)cBN:40〜85体積%と、Ti、Zr、Hf、V、Nb、Ta、Cr、Mo、W、Co、NiおよびAlから選択される少なくとも1種の金属、これら金属の少なくとも1種の炭化物、窒化物、炭窒化物、硼化物、酸化物およびこれらの相互固溶体からなる群より選ばれた少なくとも1種からなる結合相および不可避的不純物:残部とからなりcBN焼結体に含まれるMo元素量がcBN焼結体全体に対して0.2〜3.0質量%であるcBN焼結体を含むcBN焼結体工具。
(2)cBN焼結体に含まれるNi元素量がcBN焼結体全体に対して0.2〜3.0質量%である(1)に記載のcBN焼結体工具。
(3)cBN焼結体に含まれるTa元素量がcBN焼結体全体に対して0.1〜3.5質量%である(1)または(2)に記載のcBN焼結体工具。
(4)cBN焼結体に含まれるW元素量がcBN焼結体全体に対して0〜6質量%である(1)〜(3)のいずれかに記載のcBN焼結体工具。
(5)(1)〜(4)のいずれかのcBN焼結体工具の表面に被膜を被覆した被覆cBN焼結体工具。
[工程1]cBN粉末と、Ti、Zr、Hf、V、Nb、Cr、W、Co、Alの金属、これら金属の少なくとも1種の炭化物、窒化物、炭窒化物、硼化物、酸化物およびこれらの相互固溶体からなる群より選ばれた少なくとも1種からなる結合相形成用粉末と、添加物としてMo金属粉末およびMo2C粉末の1種または2種、必要に応じてNi金属粉末、Ta金属粉末およびTaC粉末の1種または2種を用意し、所定の組成になるようにcBN粉末、結合相形成用粉末および添加物を秤量する。
[工程2]結合相形成用粉末及び添加物を、例えば、ボールと有機溶媒とポットとからなる湿式ボールミルを用いて混合し、有機溶媒を蒸発させ、混合粉末を得る。
[工程3]混合粉末を700〜1000℃の温度で熱処理して脆性な金属間化合物をつくる反応をさせて脆性のある相にする。
[工程4]脆性のある相を、例えば、ボールと有機溶媒とポットとからなる湿式ボールミルを用いて混合し、細かく粉砕する。
[工程5]工程4で粉砕された粉末にcBN粉末を追加して混合し、これらを均一に分散させる。このとき混合する方法としては、例えば、混合時間1〜10時間の湿式ボールミル、混合時間5〜120分間の超音波混合などを挙げることができる。
[工程6]工程5で得られた混合粉末を、例えば、Ta、Nb、Mo、Zrなどの金属カプセルに入れ、金属カプセルを超高圧高温発生装置に装填し、圧力6〜8GPa、温度1200〜1600℃の条件下で焼結して本発明のcBN焼結体を得る。
[工程7]工程6で得られたcBN焼結体を工具に加工して本発明のcBN焼結体工具を得る。
加工形態:旋削加工、
被削材:焼入鋼SCM415H(形状:円柱状)、
切削速度:180m/min、
送り:0.15mm/rev、
切り込み:0.15mm、
雰囲気:湿式、
寿命判定:cBN焼結体工具の逃げ面摩耗幅が0.15mmを超えたとき、もしくは欠損を生じたときを工具寿命とした。
加工形態:旋削加工、
被削材:焼入鋼SCM415H(形状:円柱に2本のV溝を入れた略円柱状)、
切削速度:150m/min、
送り:0.12mm/rev、
切り込み:0.15mm、
雰囲気:乾式、
寿命判定:cBN焼結体工具が欠損したときを工具寿命とした。
加工形態:旋削加工、
被削材:焼入鋼SCM415H(形状:円柱状)、
切削速度:130m/min、
送り:0.15mm/rev、
切り込み:0.15mm、
雰囲気:湿式、
寿命判定:cBN焼結体工具の逃げ面摩耗幅が0.15mmを超えたとき、もしくは欠損を生じたときを工具寿命とした。
加工形態:旋削加工、
被削材:焼入鋼SCM435H(形状:円柱に2本のV溝を入れた略円柱状)、
切削速度:130m/min、
送り:0.15mm/rev、
切り込み:0.15mm、
雰囲気:湿式、
寿命判定:cBN焼結体工具が欠損したときを工具寿命とした。
加工形態:旋削加工、
被削材:焼入鋼SCM415H(形状:円柱状)、
切削速度:150m/min、
送り:0.15mm/rev、
切り込み:0.15mm、
雰囲気:湿式、
寿命判定:cBN焼結体工具の逃げ面摩耗幅が0.15mmを超えたとき、もしくは欠損を生じたときを工具寿命とした。
加工形態:旋削加工、
被削材:焼入鋼SCM435H(形状:円柱に2本のV溝を入れた略円柱状)、
切削速度:130m/min、
送り:0.15mm/rev、
切り込み0.15mm、
雰囲気:乾式、
寿命判定:cBN焼結体工具が欠損したときを工具寿命とした。
加工形態:旋削加工、
被削材:焼入鋼SCM415H(形状:円柱状)、
切削速度:130m/min、
送り:0.15mm/rev、
切り込み:0.15mm、
雰囲気:湿式、
寿命判定:cBN焼結体工具、被覆cBN焼結体工具の逃げ面摩耗幅が0.15mmを超えたとき、もしくは欠損を生じたときを工具寿命とした。
加工形態:旋削加工、
被削材:焼入鋼SCM435H(形状:円柱に2本のV溝を入れた略円柱状)、
切削速度:130m/min、
送り:0.15mm/rev、
切り込み0.15mm、
雰囲気:湿式、
寿命判定:cBN焼結体工具、被覆cBN焼結体工具が欠損したときを工具寿命とした。
Claims (20)
- cBN:40〜85体積%と、Ti、Zr、Hf、V、Nb、Ta、Cr、Mo、W、Co、NiおよびAlから選択される少なくとも1種の金属、これら金属の少なくとも1種の炭化物、窒化物、炭窒化物、硼化物、酸化物およびこれらの相互固溶体からなる群より選ばれた少なくとも1種からなる結合相および不可避的不純物:残部とからなりcBN焼結体に含まれるMo元素量がcBN焼結体全体に対して0.2〜3.0質量%であるcBN焼結体を含むcBN焼結体工具。
- cBN焼結体に含まれるMo元素量がcBN焼結体全体に対して0.2〜2.5質量%である請求項1に記載のcBN焼結体工具。
- cBN焼結体に含まれるNi元素量がcBN焼結体全体に対して3.0質量%以下である請求項1または2に記載のcBN焼結体工具。
- cBN焼結体に含まれるNi元素量がcBN焼結体全体に対して0.2〜3.0質量%である請求項1〜3のいずれか1項に記載のcBN焼結体工具。
- cBN焼結体に含まれるNi元素量がcBN焼結体全体に対して0.2〜2.5質量%である請求項1〜4のいずれか1項に記載のcBN焼結体工具。
- cBN焼結体に含まれるTa元素量がcBN焼結体全体に対して3.5質量%以下である請求項1〜5のいずれか1項に記載のcBN焼結体工具。
- cBN焼結体に含まれるTa元素量がcBN焼結体全体に対して0.1〜3.5質量%である請求項1〜6のいずれか1項に記載のcBN焼結体工具。
- cBN焼結体に含まれるTa元素量がcBN焼結体全体に対して0.5〜3.0質量%である請求項1〜7のいずれか1項に記載のcBN焼結体工具。
- cBN焼結体に含まれるW元素量がcBN焼結体全体に対して0〜6質量%である請求項1〜8のいずれか1項に記載のcBN焼結体工具。
- cBN焼結体に含まれるW元素量がcBN焼結体全体に対して0〜5質量%である請求項1〜9のいずれか1項に記載のcBN焼結体工具。
- cBN焼結体に含まれるW元素量がcBN焼結体全体に対して0〜3質量%である請求項1〜10のいずれか1項に記載のcBN焼結体工具。
- 結合相が、TiN、TiCN、TiC、TiB2、TiBN、TiAlN、Ti2AlN、AlN、AlB2、AlB12、Al2O3、ZrC、HfC、VC、NbC、Cr3C2、Mo2C、TaC、ZrN、HfN、VN、NbN、TaN、CrN、WC、WB、W2B、CoWB、W2Co21B6、Co3W3C、W、Mo、Co、Niおよびこれらの相互固溶体からなる群より選択された少なくとも1種からなる請求項1〜11のいずれか1項に記載のcBN焼結体工具。
- 結合相が、TiN、TiCN、TiC、TiB2、AlN、AlB2、AlB12、Al2O3、Mo2C、TaC、TaN、CrN、WC、WB、W2B、CoWB、W2Co21B6、Co3W3C、W、Mo、Co、Niおよびこれらの相互固溶体からなる群より選択された少なくとも1種からなる請求項1〜12のいずれか1項に記載のcBN焼結体工具。
- 請求項1〜13のいずれか1項に記載のcBN焼結体工具の表面に被膜を被覆した被覆cBN焼結体工具。
- 被膜が、Ti、Zr、Hf、V、Nb、Ta、Cr、Mo、W、AlおよびSiから選択される少なくとも1種の金属の酸化物、炭化物、窒化物、炭窒化物、硼化物およびこれらの相互固溶体からなる群より選ばれた少なくとも1種からなる請求項14に記載の被覆cBN焼結体工具。
- 被膜が、TiN、TiC、TiCN、(Ti,Al)N、(Ti,Si)N、(Al,Cr)NおよびAl2O3からなる群より選ばれた少なくとも1種からなる請求項14または15に記載の被覆cBN焼結体工具。
- 被膜が、単層膜または2層以上の積層膜である請求項14〜16のいずれか1項に記載の被覆cBN焼結体工具。
- 被膜が、組成が異なる平均膜厚5〜200nmの薄膜を交互に積層した交互積層膜である請求項14〜17のいずれか1項に記載の被覆cBN焼結体工具。
- 被膜全体の総膜厚が平均膜厚で0.5〜20μmである請求項14〜18のいずれか1項に記載の被覆cBN焼結体工具。
- 被膜全体の総膜厚が平均膜厚で1〜4μmである請求項14〜19のいずれか1項に記載の被覆cBN焼結体工具。
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PCT/JP2012/052592 WO2012105710A1 (ja) | 2011-02-04 | 2012-02-06 | cBN焼結体工具および被覆cBN焼結体工具 |
JP2012556001A JP5614460B2 (ja) | 2011-02-04 | 2012-02-06 | cBN焼結体工具および被覆cBN焼結体工具 |
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JP5126702B1 (ja) * | 2011-09-12 | 2013-01-23 | 三菱マテリアル株式会社 | 立方晶窒化ほう素基焼結材料製切削工具 |
JP5988430B2 (ja) * | 2012-10-26 | 2016-09-07 | 住友電工ハードメタル株式会社 | 立方晶窒化ホウ素焼結体およびその製造方法 |
US20150291479A1 (en) * | 2014-04-11 | 2015-10-15 | Smith International, Inc. | Pcbn composites and methods of making the same |
CN104072138B (zh) * | 2014-06-18 | 2015-10-28 | 河海大学 | 一种碳化钨-立方氮化硼复合材料及其制备方法 |
JP6265097B2 (ja) * | 2014-10-03 | 2018-01-24 | 住友電気工業株式会社 | 焼結体、焼結体を用いた切削工具 |
CN107001154B (zh) | 2014-11-25 | 2021-07-23 | 京瓷株式会社 | cBN烧结体以及切削工具 |
US10252946B2 (en) * | 2014-11-26 | 2019-04-09 | Corning Incorporated | Composite ceramic composition and method of forming same |
CN105363661B (zh) * | 2015-09-28 | 2018-02-16 | 广东劲胜智能集团股份有限公司 | 一种电子产品中框及其制作方法 |
EP3170919B1 (en) * | 2015-11-20 | 2019-01-09 | Seco Tools Ab | Coated cutting tool |
JP6206695B1 (ja) * | 2015-12-04 | 2017-10-04 | 株式会社タンガロイ | 工具 |
CN106001976B (zh) * | 2016-06-01 | 2018-08-14 | 吉林大学 | 一种用于激光熔覆和气焊的管式焊条及其制备方法 |
MX2018008410A (es) | 2016-11-17 | 2018-08-15 | Sumitomo Electric Hardmetal Corp | Material sinterizado y herramienta de corte que incluye el mismo. |
CN108611539B (zh) * | 2018-06-15 | 2019-11-01 | 武汉科技大学 | 一种复合强化硬质合金及其制备方法 |
CN113454047B (zh) * | 2019-02-27 | 2023-04-14 | 三菱综合材料株式会社 | cBN烧结体及切削工具 |
GB202001369D0 (en) * | 2020-01-31 | 2020-03-18 | Element Six Ltd | Polycrystalline cubic boron nitride material |
HUE062423T2 (hu) * | 2020-03-24 | 2023-11-28 | Resonac Corp | Köbös bór-nitrid szinterezett test, eljárás elõállítására és szerszám |
KR102373638B1 (ko) * | 2020-03-24 | 2022-03-14 | 쇼와 덴코 가부시키가이샤 | 입방정 질화붕소 소결체 및 그 제조 방법, 및 공구 |
RU2750448C1 (ru) * | 2020-07-31 | 2021-06-28 | Общество с ограниченной ответственностью «Микробор Композит» | Сырьевая смесь для изготовления крупноразмерной заготовки сверхтвердого композитного материала, крупноразмерная заготовка сверхтвердого композитного материала и способ ее получения |
CN115369300B (zh) * | 2021-09-01 | 2023-09-26 | 弗克森切削技术(苏州)有限公司 | 一种含AlN和TiB2的Ti(C,N)基金属陶瓷刀具材料及其制备方法 |
CN115594509A (zh) * | 2022-09-27 | 2023-01-13 | 中国有色桂林矿产地质研究院有限公司(Cn) | 一种含棒晶结构的聚晶立方氮化硼复合材料及其制备方法和应用 |
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JPH05186844A (ja) * | 1992-01-09 | 1993-07-27 | Toshiba Tungaloy Co Ltd | 高密度相窒化ホウ素基焼結体 |
JP3476507B2 (ja) | 1993-06-28 | 2003-12-10 | 東芝タンガロイ株式会社 | 立方晶窒化ホウ素含有焼結体の製造方法 |
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JPH10218666A (ja) | 1996-12-03 | 1998-08-18 | Sumitomo Electric Ind Ltd | 高圧相型窒化硼素基焼結体 |
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JP5226522B2 (ja) * | 2005-10-28 | 2013-07-03 | エレメント シックス (プロダクション)(プロプライエタリィ) リミテッド | 立方晶系窒化ホウ素成形体 |
WO2008072180A2 (en) * | 2006-12-11 | 2008-06-19 | Element Six (Production) (Pty) Ltd | Cubic boron nitride compacts |
US8999531B2 (en) * | 2010-04-16 | 2015-04-07 | Tungaloy Corporation | Coated CBN sintered body |
GB201011574D0 (en) * | 2010-07-09 | 2010-08-25 | Element Six Ltd | PCBN material |
-
2012
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |