CN1060146C - 高韧性耐磨损陶瓷复合刀具材料 - Google Patents

高韧性耐磨损陶瓷复合刀具材料 Download PDF

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CN1060146C
CN1060146C CN92106136A CN92106136A CN1060146C CN 1060146 C CN1060146 C CN 1060146C CN 92106136 A CN92106136 A CN 92106136A CN 92106136 A CN92106136 A CN 92106136A CN 1060146 C CN1060146 C CN 1060146C
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CN1077941A (zh
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周延春
陈声崎
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Institute of Metal Research of CAS
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Abstract

本发明涉及陶瓷材料领域,具体地说就是提供了一种以TiC,TiN,Ti(C,N).SiC为基体并含高温合金相的陶瓷材料,具体配方如下:
烧结剂 高温合金成份 基体
0.1~65 0.1~5 余量
用热压或烧结成型。本发明所提供的陶瓷材料兼具有高硬度与良好的韧性,适合于制作刀具。

Description

高韧性耐磨损陶瓷复合刀具材料
本发明涉及陶瓷材料领域,具体地说就是提供了一种以TiC、TiN、Ti(C、N)、SiC为基体含高温合金相的陶瓷材料,其兼具有高硬度与良好的韧性,适合于制作刀具。
用陶瓷做刀具材料,如文献Yasutomi Yoshiyuki,Kita Hidenori,NakamuraKosuko,Jpn.Kokai,Tokkyo Koho Jp 0105976[8905976],1989和T.Zambtakis,J.L.Gulle,B.Willer,M.Daire,J Mater.Sci.,22(1987)1135-1140中提供的Si3N4、Al2O3等虽然具有较好的耐磨性,但是脆性问题不能解决,因而只适合于切削冷硬铸铁和淬火钢,而对大多数高韧性的钢种则不能切削。为提高这类陶瓷材料的韧性,曾有过利用ZrO2的马氏体相变消除裂纹尖端的应力集中来改善Al2O3韧性的报导K.Tsukuma,K.Ueda,K.Matsushita,and M.Shimada,JAm.Ceram.Soc.68(2)(1985)c-56和A.H.Heuer,J.Am.Ceram.Soc.70(10)(1987)689,断裂韧性值可达K1C=10 MPam1/2,高于普通陶瓷K1C=3~8 MPam1/2硬度值Hv=14 GPa,遗憾的是这种马氏体相变是不可逆的,300℃以上增韧效果全部失去,不能重复使用,即经历不了热疲劳环境。
本发明的目的在于提供一种陶瓷材料,使其既具有高的硬度又具有较强的韧性,且增韧效果稳定。
本发明以TiC,TiN,Ti(N,C)、SiC粉之一种或几种作为基体,以Ni,Ti,Al,Cr,Co粉之一种或几种作为烧结荆,并引入TiAl,NiTi,NiAl之一或几种作为高温合金相成份,其具体的配方如下(重量百分比)
烧结剂    高温合金相成份    基体
0.1~65    0.1~5    余量
其中烧结剂中各种元素成份有如下限定(按陶瓷材料总重量计)Ni 5~30,Ti 0.5~5,Al 0.1~2,Cr 5~30,Co 0.1~2。各种高温合金相成份限制如下(按陶瓷材料总重量计)TiAl0.1~5,NiTi0.1~1,NiAl0.1~5。本发明中Ni、Ti、Al、Cr、Co所起的作用主要是作为烧结剂,使得陶瓷材料更加致密,同时,它们又可部分地固溶到TiAl,NiTi,NiAl中去,或者相互间形成高温合金相,这种高温合金相具有马氏体相变,并且是可逆的,如Ti3Al-NiAl相等,从而达到陶瓷增韧的效果,同时能在热环境中反复使用而不丧失韧性。本陶瓷可用热压或烧结的方法成型,温度在1300℃~1600℃之间。本发明所提供的这种复合陶瓷断裂韧性可达20 MPm1/2以上,适合于切削高韧性的合金如不锈钢,化纤工业中的纤维,化工工业的塑料,也可作为其它耐磨件应用于机械、化工、电子等工业中,下面详述实施例。
实施例1
TiC粉6.4g、Ti粉0.2g、6061Al粉0.1、Cr粉3g,TiNi粉0.2g、NiAl粉0.1g,机械混合后在N2气中1300℃,1小时处理,干压成型,1550℃烧结,硬度为Hv=16Gpa,韧性K1C=20 MPam1/2
实施例2
Ti(N,C)粉5.5g、Ti粉0.1g,Al粉0.05g、Ni粉2g、Cr粉2g、Co粉0.05g、NiAl粉0.1g、TiNi粉0.2g混合,干压成型,1300℃20 MPa压力下热压烧结。K1C=20MPam1/2,Hv=16 GPa。

Claims (3)

1.一种陶瓷刀具材料,其特征在于:陶瓷材料由如下三种物质构成:
(1)以TiC,TiN,Ti(N,C),SiC之一种或几种作为基体;
(2)以Ni,Ti,Al,Cr,Co粉之一或几种作为烧结剂;
(3)以TiAl,NiTi,NiAl之一或几种作为具有马氏体相变的高温合金相,
其重量百分组成为:
烧结剂    高温合金成分    基体
0.1~65    0.1~5    余量
2.按照权利要求1所述陶瓷刀具材料,其特征在于:烧结剂中各种元素成份有如下限定(按陶瓷材料总重量计):
Co 0.1~2,Ni 5~30,Ti 0.5~5, Al 0.1~2,Cr 5~30。
3.按照权利要求1所述陶瓷刀具材料,其特征在于:各种高温合金相成份 如下(按陶瓷材料总重量计):
TiAl 0.1~5,NiTi 0.1~10,NiAl 0.1~5。
CN92106136A 1992-04-21 1992-04-21 高韧性耐磨损陶瓷复合刀具材料 Expired - Fee Related CN1060146C (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1317228C (zh) * 2004-12-15 2007-05-23 中国科学院金属研究所 一种铝碳化钛/硅化钛复合材料及其制备方法
CN100417624C (zh) * 2006-04-14 2008-09-10 山东大学 多元多尺度纳米复合陶瓷刀具材料及其制备工艺
CN104370550B (zh) * 2014-10-27 2016-04-13 合肥市东庐机械制造有限公司 一种高韧性陶瓷刀材料及其制备方法
CN108411179B (zh) * 2018-03-26 2020-11-10 西安交通大学 一种多相二硼化钛/碳氮化钛金属陶瓷及其制备方法
JP7511584B2 (ja) * 2019-05-27 2024-07-05 エービー サンドビック コロマント 被覆切削工具
CN111943685B (zh) * 2020-08-24 2021-06-25 燕山大学 一种具有高温塑性的超细晶Sialon基陶瓷材料及其制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS569279A (en) * 1979-06-28 1981-01-30 Sumitomo Electric Industries Sintered body for cutting tool and its manufacture
JPS5775744A (en) * 1980-10-31 1982-05-12 Toshiba Tungaloy Co Ltd Tool containing and coated with dispersed material
JPS57116742A (en) * 1981-01-09 1982-07-20 Mitsubishi Metal Corp Sintered superhard tungsten carbide alloy
JPS6314849A (ja) * 1986-07-07 1988-01-22 Daido Steel Co Ltd 継目無鋼管製管用ガイドシュー
CN1004813B (zh) * 1986-12-02 1989-07-19 湖南省冶金材料研究所 铜锑合金
CN1051900A (zh) * 1990-12-29 1991-06-05 清华大学 晶须增韧补强氮化硅复相陶瓷刀具材料

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS569279A (en) * 1979-06-28 1981-01-30 Sumitomo Electric Industries Sintered body for cutting tool and its manufacture
JPS5775744A (en) * 1980-10-31 1982-05-12 Toshiba Tungaloy Co Ltd Tool containing and coated with dispersed material
JPS57116742A (en) * 1981-01-09 1982-07-20 Mitsubishi Metal Corp Sintered superhard tungsten carbide alloy
JPS6314849A (ja) * 1986-07-07 1988-01-22 Daido Steel Co Ltd 継目無鋼管製管用ガイドシュー
CN1004813B (zh) * 1986-12-02 1989-07-19 湖南省冶金材料研究所 铜锑合金
CN1051900A (zh) * 1990-12-29 1991-06-05 清华大学 晶须增韧补强氮化硅复相陶瓷刀具材料

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