CN102449195B - 纳米叠层涂覆的切削工具 - Google Patents
纳米叠层涂覆的切削工具 Download PDFInfo
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- CN102449195B CN102449195B CN201080024204.9A CN201080024204A CN102449195B CN 102449195 B CN102449195 B CN 102449195B CN 201080024204 A CN201080024204 A CN 201080024204A CN 102449195 B CN102449195 B CN 102449195B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 43
- 239000011248 coating agent Substances 0.000 claims abstract description 31
- 238000000576 coating method Methods 0.000 claims abstract description 31
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 22
- 229910052582 BN Inorganic materials 0.000 claims abstract description 13
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 230000000737 periodic effect Effects 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 3
- 229910000601 superalloy Inorganic materials 0.000 claims abstract description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 239000011230 binding agent Substances 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 13
- 229910052758 niobium Inorganic materials 0.000 claims description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims description 9
- 229910052720 vanadium Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 7
- 229910052721 tungsten Inorganic materials 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 229910052727 yttrium Inorganic materials 0.000 claims description 6
- 229910052726 zirconium Inorganic materials 0.000 claims description 6
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229910000760 Hardened steel Inorganic materials 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 150000004767 nitrides Chemical class 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000002441 X-ray diffraction Methods 0.000 claims 2
- 238000005275 alloying Methods 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 235000000396 iron Nutrition 0.000 abstract 1
- GJNGXPDXRVXSEH-UHFFFAOYSA-N 4-chlorobenzonitrile Chemical compound ClC1=CC=C(C#N)C=C1 GJNGXPDXRVXSEH-UHFFFAOYSA-N 0.000 description 6
- 238000000151 deposition Methods 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 125000002015 acyclic group Chemical group 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000018199 S phase Effects 0.000 description 1
- 229910007991 Si-N Inorganic materials 0.000 description 1
- 229910006294 Si—N Inorganic materials 0.000 description 1
- 229910010038 TiAl Inorganic materials 0.000 description 1
- 229910008484 TiSi Inorganic materials 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 229910001119 inconels 625 Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910001067 superalloy steel Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/148—Composition of the cutting inserts
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- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
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- B23B2224/24—Titanium aluminium nitride
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Abstract
本发明涉及一种用于通过排屑加工的切削工具刀片，其包括或者作为固体刀片或者附着于支持体的多晶立方氮化硼压块(PCBN)的刀体，在其上沉积有硬质耐磨的物理气相沉积(PVD)涂层。所述涂层包括交替的A和B层的多晶纳米叠层结构，其中层A为(Ti、Al、Me1)N且Me1为元素周期表中的第3族、第4族、第5族或第6族金属元素的一种或多种，层B为(Ti、Si、Me2)N且Me2为包括Al的元素周期表中的第3族、第4族、第5族或第6族金属元素的一种或多种，并且厚度在0.5至10m之间。本发明的刀片尤其可用于产生高温的金属切削应用，例如钢、铸铁、超合金和硬化钢的高速加工。
Description
技术领域
本发明涉及一种切削工具刀片，其包含立方氮化硼压块(PCBN)材料的刀体和包含分别基于(Ti、Al)N和(Ti、Si)N层的纳米叠层结构的硬质耐磨涂层。所述刀片尤其可用于产生高温的金属切削应用，例如钢、铸铁、超合金、不锈钢和硬化钢的高速加工。通过物理气相沉积法(PVD)、优选通过阴极电弧蒸镀产生所述涂层。
背景技术
US 7,056,602公开了一种涂覆有立方结构(TiyAlxMe1-x-y)N基层的切削工具刀片，其中Me为如下元素的一种：Zr、Hf、V、Nb、Ta、Cr、Mo、W或Si，且：x在0.50至0.80之间；x/(x+y)的比率在0.50至0.85之间；Ti和Al下标x+y的总和在0.7至1.0之间。
EP 1736565公开了一种涂覆有立方结构(Me、Si)X相的切削工具立方氮化硼基刀片，其中Me为元素Ti、V、Cr、Zr、Nb、Mo、Hf、Ta和Al中的一种或多种，并且X为元素N、C、O或B中的一种或多种。
EP 0588350公开了一种在刀体上的Ti-Si-N复合材料硬质层，使用蒸镀处理TiaSib组合物的来源而沉积所述层，并且a在75-85原子％范围内且b在15-25原子％范围内。
也已经通过施加不同概念的多层而获得涂层优化，如：交替的含Ti和Al的层(US 6,309,738)、含氧和不含氧的层(US 6,254,984)，堆叠多层中的由其自身由多层组成的一个层(US 6,077,596)，交替的氮含量(US 5,330,853)或使用一种亚稳化合物(US 5,503,912)，或如非周期性的多层(US 6,103,357)。
已经通过在TiN-或TiAlN-基涂层中引入Si来实现热稳定性和硬度的进一步改进。JP 2000-334607公开了一种具有包含TiSi(层a)和TiAl(层b)化合物的叠层的涂覆工具。所述(a)层选自包含10％＜Si＜60％具有NaCl型晶体结构的氮化物、碳氮化物、氧氮化物和氧碳氮化物。层(b)选自包含40％＜Al＜75％具有NaCl型晶体结构的氮化物、碳氮化物、氧氮化物和氧碳氮化物。隔一个层或多个层交替施加(a)层和(b)层并且(b)层正好位于基材表面上。
EP 1939327公开了一种包含给予改进的抗月牙洼磨损和侧面磨损的硬质涂层的切削工具，所述涂层包含非周期性的多层X+Y+X+Y+…，并且X和Y层的平均层厚度在0.1至100nm之间且具有平均化学组成AlaTibSicCrdCeN1-e，其中0＜a＜0.5，0.1＜b＜0.9，0.01＜c＜0.17，0≤d＜0.06，a+b+c+d＝1，且0≤e＜1。
为了环境保护的干法加工的趋势，即不使用切削液(润滑剂)的金属切削操作，和随改进的工艺而加快的加工速度，由于工具切削刃温度增加，而对工具材料的特性提出了甚至更高的要求。特别是，在高温下涂层的稳定性，例如抗氧化性和耐磨性已经变得更加重要。
发明概述
本发明的一个目的是提供一种在高温下产生在金属切削应用中改进的性能的涂覆切削工具。
本发明的另一目的是提供一种具有改进的刀刃完整性的涂覆切削工具。
已经发现在立方氮化硼基切削工具刀刃上结合分别基于纳米叠层涂层结构中的(Ti、Si)N和(Ti、Al)N层，由于增加的抗月牙洼磨损、耐侧面磨损和刀刃完整性，尤其是在产生高的工具温度的高速加工操作中，显著改进了工具寿命。
附图说明
图1：显示Ti0.38Al0.62N/Ti0.86Si0.14N纳米叠层结构的断裂横截面的扫描电子显微镜(SEM)图。
图2：显示在具有(a)Ti0.86Si0.14N单层和(b)Ti0.38Al0.62N/Ti0.86Si0.14N纳米叠层结构的硬化钢的情况下，车削24分钟后的切削刃实施例的扫描电子显微镜(SEM)图。
发明内容
根据本发明，提供了一种用于通过排屑加工的切削工具刀片，其包括或者作为固体刀片或附着于支持体的刀体，其上沉积有包含交替的A和B层的多晶纳米叠层结构的硬质耐磨涂层，其厚度在0.5至10μm之间、优选0.5至5μm之间，并且具有整体柱状结构。平均柱宽在20至1000nm之间、优选在20至500nm之间，如通过例如纳米叠层结构的中间区域，即在生长方向中厚度的30至70％内的区域的横截面扫描电子显微镜测定，且所述平均柱宽是测量至少十个相邻柱的宽度的平均值。
所述层A为(Ti1-xAlxMelp)Na，其中0.3＜x＜0.95、优选0.45＜x＜0.75，且0.90＜a＜1.10、优选0.96＜a＜1.04，0≤p＜0.15，且Mel为元素周期表中第3族、第4族、第5族或第6族的金属元素的一种或多种，优选Zr、Y、V、Nb、Mo和W的一种或多种，最优选Zr、Y、V和Nb的一种或多种。所述层B为(Ti1-y-zSiyMe2z)Nb，其中0.05＜y＜0.25、优选0.05＜y＜0.18，0≤z＜0.4，0.9＜b＜1.1、优选0.96＜b＜1.04，且Me2为包括Al的元素周期表中第3族、第4族、第5族或第6族的金属元素的一种或多种，优选Y、V、Nb、Mo、W和Al的一种或多种，最优选Y、V、Nb和Al的一种或多种。层A和B具有在1nm至50nm之间的平均单独层厚度，如通过纳米叠层结构的中间区域，即在生长方向中厚度的30至70％内的区域的横截面透射电子显微镜测量，并且所述平均层厚度为测量至少十个相邻层的厚度的平均值。如通过X-衍射测定，所述纳米叠层结构包含立方相和六方相的混合相，优选仅立方相。
在第一优选实施方式中z＝p＝0。
在第二优选实施方式中，Me1为Zr、Y、V和Nb的一种或多种，且0＜p＜0.05。
在第三优选实施方式中，Me2为Y，0＜z＜0.15。
在第四优选实施方式中，Me2为V和Nb的一种或两种，且0＜z＜0.3。
在第五优选实施方式中，Me2为Al，0.2＜z＜0.4。
如通过例如EDS或WDS技术所测定的，所述纳米叠层结构的平均组成为45原子％＜Ti+Al+Si+Y+V+Nb+Mo+W+Zr＜55原子％、优选48原子％＜Ti+Al+Si+Y+V+Nb+Mo+W+Zr＜52原子％且其余为N。
所述涂层可包含TiN、TiC、Ti(C、N)或(Ti、Al)N，优选(Ti、Al)N的内部单和/或多层涂层，和/或TiN、TiC、Ti(C、N)、(Ti、Si)N或(Ti、Al)N，优选(Ti、Si)N或(Ti、Al)N的外部单和/或多层涂层，根据现有技术，包括纳米叠层结构厚度的总涂层厚度在0.5至20μm之间、优选在0.5至10μm之间、最优选在0.5至7μm之间。
所述PCBN刀体包含至少30体积％在粘结剂中的立方相氮化硼(cBN)。所述粘结剂包含至少一种选自属于元素周期表中第4族、第5族和第6族元素以及Al的一种或多种的氮化物、硼化物、氧化物、碳化物和碳氮化物的化合物，例如Ti(C、N)和AlN。
在第六优选实施方式中，所述PCBN刀体包含30体积％＜cBN＜70体积％、优选40体积％＜cBN＜65体积％，具有在0.5μm至4μm之间的平均cBN晶粒度。粘结剂包含80重量％＜Ti(C，N)＜95重量％和其余主要包含其它包含元素Ti、N、B、Ni、Cr、Mo、Nb、Fe、Al和/或O的两种或更多种的化合物，例如TiB2和Al2O3。
在第七优选实施方式中，所述PCBN刀体包含45体积％＜cBN＜70体积％、优选55体积％＜cBN＜65体积％，具有在0.5μm至4μm之间、优选在1μm至3μm之间的平均cBN晶粒度。粘结剂包含80重量％＜Ti(C，N)＜90重量％、1重量％＜包含元素Ni、Co、Cr和/或Mo的一种或多种的合金＜10重量％，并且其余主要包含TiB2和Al2O3。
在第八优选实施方式中，所述PCBN刀体包含70体积％＜cBN、优选80体积％＜cBN＜95体积％，具有在0.5μm至10μm之间、优选或者在1μm至6μm之间、或在10μm至25μm之间、优选在15μm至25μm之间的平均cBN晶粒度。粘结剂包含元素Al、B、N、W、Co、Ni、Fe、Al和/或O的两种或更多种的化合物。
本发明涂层的沉积方法为在如下条件下基于合金或复合阴极的阴极电弧蒸镀法：从阴极生长(Ti、Al、Me1)N和(Ti、Si、Me2)N层以产生期望的层组成。蒸镀电流在50A至200A之间。所述层在Ar+N2气氛中、优选在纯N2气氛中，在0.5Pa至9.0Pa、优选1.5Pa至5.0Pa的总压力下生长。偏压为-10V至-300V、优选-20V至-200V。沉积温度在350℃至700℃之间、优选400℃至650℃之间。
本发明还涉及上文的切削工具刀片以50-2000米/分钟、优选50-1500米/分钟的切削速度以及取决于切削操作的0.01-1.0毫米/转、优选0.01-0.6毫米的平均进给量用于钢、铸铁、超合金和硬化钢加工的应用。
具体实施方式
实施例1
在如下PCBN刀片上通过阴极电弧蒸镀沉积表1的涂层：
S1：具有60体积％cBN，约2μm的平均cBN晶粒度和包含86重量％Ti(C、N)的粘结剂、5重量％ASTM F75合金(主要组成：62重量％Co+28.5重量％Cr+6重量％Mo)以及其余主要包含TiB2和Al2O3。
S2：具有60体积％cBN，约2μm的平均cBN晶粒度和包含86重量％Ti(C、N)的粘结剂、5重量％Inconel 625合金(主要组成：28.5重量％Cr+9重量％Mo+3重量％Nb+余量Ni)以及其余主要包含TiB2和Al2O3。
S3：具有50体积％cBN，约1μm的平均cBN晶粒度和包含91重量％Ti(C、N)的粘结剂以及其余主要包含TiB2和Al2O3。
S4：具有90体积％cBN，约4μm的平均cBN晶粒度和主要包含AlN的粘结剂以及其余主要包含AlB2。
S5：具有90体积％cBN，约20μm的平均cBN晶粒度和主要包含AlN的粘结剂以及其余主要包含AlB2。
在沉积前，将刀片在碱溶液和乙醇的超声浴中清洗。将该沉积室抽真空至小于2.0×10-3Pa的基础压力，之后用Ar离子对所述刀片溅射清洗。使用-20至-60V的偏压和60-200A的蒸镀电流，在总压力2-6Pa下在99.995％纯N2气氛中从合金或复合阴极中沉积所述涂层。选择阴极以分别产生层A和层B的组成，并使阴极位于沉积室的相对面上以通过夹具旋转获得纳米叠层结构。通过改变阴极电流(60-200A)和夹具的旋转速度(1-5rpm)改变平均单独层厚度。所有刀片的总涂层厚度为约2μm并且沉积温度为450℃。
图1显示了具有延伸贯穿纳米叠层结构的柱状微结构的Ti0.38Al0.62N/Ti0.86Si0.14N纳米叠层结构(涂层1)的扫描电子显微镜(SEM)图。清楚可见单独的层，表明相邻层之间的最小混合，并且由于3-折叠夹具的旋转使单独层的厚度改变。
使用具有在10kV下操作的Thermo Noran EDS检测器的LEOUltra 55扫描电子显微镜通过能量色散X-射线能谱(EDS)分析面积来测量涂层的总平均组成。使用Noran System Six(Nss第2版)软件评价数据。
表1
实施例2
在如下条件下测试在S1和S2刀片上的涂层1、3、6、40-45：
几何形状：CNGA120408S
应用：连续车削
工件材料：表面硬化钢(16MnCr5)
切削速度：200米/分钟
进给量：0.1毫米/转
切削深度：0.15毫米
工具寿命标准：刀刃损坏
结果显示于表2中。
图2显示了具有(a)对比涂层41和(b)本发明涂层1的所用S1刀片的刀刃车削24分钟后的SEM图。清楚可见本发明的涂层显示出改进的月牙洼和刀刃磨损特性。
实施例3
在如下条件下测试在S3刀片上的涂层1-6、35、36、38-42、44-45：
几何形状：RCGN0803M0S
应用：连续车削
工件材料：表面硬化钢(16MnCr5)
切削速度：200米/分钟
进给量：0.1毫米/转
切削深度：0.15毫米
工具寿命标准：刀刃损坏
结果显示于表2中。
实施例4
在如下条件下测试在S4刀片上的涂层6、37、40、41：
几何形状：CNMN120412S
应用：端面车削
工件材料：AISI A48-40B
切削速度：1100米/分钟
进给量：0.3毫米/转
切削深度：1毫米
工具寿命标准：刀刃损坏
结果显示于表2中。
实施例5
在如下条件下测试在S5刀片上的涂层6、40、41：
几何形状：CNMN120412S
应用：连续车削
工件材料：AISI A48-45B
切削速度：1100米/分钟
进给量：0.4毫米/转
切削深度：2毫米
工具寿命标准：刀刃损坏
结果显示于表2中。
表2
从上述实施例中明显看出，本发明的刀片显示出具有改进的刀刃和月牙洼磨损特性的提高的工具性能。
Claims (18)
1.一种用于通过排屑加工的切削工具刀片，其包括或者作为固体刀片或者附着于支持体的刀体，其上沉积有硬质耐磨的PVD涂层，其特征在于所述刀体为包含至少30体积%在粘结剂中的立方相氮化硼（cBN）的多晶立方氮化硼压块（PCBN），所述粘合剂包含至少一种选自属于元素周期表中第4族、第5族和第6族元素以及Al的一种或多种的氮化物、硼化物、氧化物、碳化物和碳氮化物的化合物，并且在所述涂层中包括交替的A和B层的柱状多晶纳米叠层结构，其中层A为(Ti1-xAlxMe1p)Na，0.3＜x＜0.95，0.90＜a＜1.10，p=0，且Me1为Zr、Y、V、Nb、Mo和W的一种或多种，层B为(Ti1-y-zSiyMe2z)Nb，并且0.05＜y＜0.25，0≤z＜0.4，0.9＜b＜1.1，且Me2为Y、V、Nb、Mo、W和Al的一种或多种，并且所述纳米叠层结构的厚度在0.5至10μm之间，平均柱宽在20至1000nm之间，且单独A和B层的平均厚度在1至50nm之间。
2.根据权利要求1所述的切削工具刀片，其特征在于0.45＜x＜0.75。
3.根据权利要求1所述的切削工具刀片，其特征在于0.96＜a＜1.04。
4.根据权利要求1所述的切削工具刀片，其特征在于0.96＜b＜1.04。
5.根据权利要求1所述的切削工具刀片，其特征在于0.05＜y＜0.18。
6.根据权利要求1所述的切削工具刀片，其特征在于如通过X-射线衍射测定的，所述纳米叠层结构包含立方和六角结构的混合相。
7.根据权利要求1所述的切削工具刀片，其特征在于如通过X-射线衍射测定的，所述纳米叠层结构仅包含立方相。
8.根据权利要求1-7中任一项所述的切削工具刀片，其特征在于z=p=0。
9.根据权利要求1-7中任一项所述的切削工具刀片，其特征在于所述涂层包含TiN、TiC、Ti(C、N)或(Ti、Al)N的内部单层和/或多层涂层，和/或TiN、TiC、Ti(C、N)、(Ti、Si)N或(Ti、Al)N的外部单层和/或多层涂层，包括纳米叠层结构厚度的总涂层厚度在0.5至20μm之间。
10.根据权利要求1-7中任一项所述的切削工具刀片，其特征在于所述多晶立方氮化硼压块（PCBN）包含：30体积%＜cBN＜70体积%，平均cBN晶粒度在0.5μm至4μm之间，和含80重量%＜Ti(C、N)＜95重量%的粘结剂以及主要包含其它化合物的其余物质，所述其它化合物包含元素Ti、N、B、Ni、Cr、Mo、Nb、Fe、Al和O中的两种或更多种。
11.根据前述权利要求10所述的切削工具刀片，其特征在于所述多晶立方氮化硼压块（PCBN）包含：40体积%＜cBN＜65体积%。
12.根据权利要求1至7中任一项所述的切削工具刀片，其特征在于所述多晶立方氮化硼压块（PCBN）包含：45体积%＜cBN＜70体积%，平均cBN晶粒度在0.5μm至4μm之间，和含80重量%＜Ti(C、N)＜90重量%的粘结剂，1重量%＜含元素Ni、Co、Cr和Mo的一种或多种的合金＜10重量%，以及主要包含TiB2和Al2O3的其余物质。
13.根据前述权利要求12所述的切削工具刀片，其特征在于所述多晶立方氮化硼压块（PCBN）包含：55体积%＜cBN＜65体积%。
14.根据权利要求1至7中任一项所述的切削工具刀片，其特征在于所述多晶立方氮化硼压块（PCBN）包含：70体积%＜cBN，平均cBN晶粒度或者在0.5μm至10μm之间、或者在10μm至25μm之间，和含有如下化合物的粘结剂，所述化合物为元素Al、B、N、W、Co、Ni、Fe、Al和O的两种或更多种的化合物。
15.根据前述权利要求14所述的切削工具刀片，其特征在于所述多晶立方氮化硼压块（PCBN）包含：80体积%＜cBN＜95体积%。
16.制备根据权利要求1所述的切削工具刀片的方法，其特征在于：使用在50A至200A之间的蒸镀电流，在Ar＋N2气氛中，在0.5Pa至9.0Pa的总压力下，在-10V至-300V之间的偏压下，在350℃至700℃，通过合金化或复合阴极的阴极电弧蒸镀而沉积所述涂层，产生希望的(Ti、Al、Me1)N和(Ti、Si、Me2)N层的组成。
17.根据权利要求1至15中任一项所述的切削工具刀片用于加工钢、铸铁和超合金的用途，切削速度为50-2000米/分钟，以及取决于切削操作和刀片的几何形状，平均进给量为0.01-1.0毫米/转。
18.根据权利要求17所述的用途，所述钢为硬化钢。
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| JP5896326B2 (ja) * | 2012-10-02 | 2016-03-30 | 住友電工ハードメタル株式会社 | 表面被覆切削工具およびその製造方法 |
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| DE102013011073A1 (de) * | 2013-07-03 | 2015-01-08 | Oerlikon Trading Ag, Trübbach | TlxSi1-xN Schichten und ihre Herstellung |
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| CN102449195A (zh) | 2012-05-09 |
| EP2446066B1 (en) | 2017-05-03 |
| US8864861B2 (en) | 2014-10-21 |
| EP2446066A4 (en) | 2016-04-20 |
| US20120114437A1 (en) | 2012-05-10 |
| KR101759475B1 (ko) | 2017-07-19 |
| SE533883C2 (sv) | 2011-02-22 |
| KR20120020150A (ko) | 2012-03-07 |
| JP2012528733A (ja) | 2012-11-15 |
| EP2446066A1 (en) | 2012-05-02 |
| SE0900738A1 (sv) | 2010-12-02 |
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