CN114395754B - 一种磁控溅射涂层材料及其应用 - Google Patents
一种磁控溅射涂层材料及其应用 Download PDFInfo
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- 238000000576 coating method Methods 0.000 title claims abstract description 69
- 239000011248 coating agent Substances 0.000 title claims abstract description 68
- 239000000463 material Substances 0.000 title claims abstract description 47
- 238000001755 magnetron sputter deposition Methods 0.000 title claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 54
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000004544 sputter deposition Methods 0.000 claims abstract description 34
- 239000002131 composite material Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 16
- 229910052796 boron Inorganic materials 0.000 claims abstract description 12
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 12
- 239000013077 target material Substances 0.000 claims abstract description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 68
- 239000010935 stainless steel Substances 0.000 claims description 68
- 238000000137 annealing Methods 0.000 claims description 40
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 20
- 229910017604 nitric acid Inorganic materials 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 244000137852 Petrea volubilis Species 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 10
- 239000012300 argon atmosphere Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 10
- 238000005498 polishing Methods 0.000 claims description 10
- 230000003746 surface roughness Effects 0.000 claims description 10
- 238000003754 machining Methods 0.000 claims description 9
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 10
- 238000005520 cutting process Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 206010018910 Haemolysis Diseases 0.000 description 5
- 210000004369 blood Anatomy 0.000 description 5
- 239000008280 blood Substances 0.000 description 5
- 230000008588 hemolysis Effects 0.000 description 5
- 238000002835 absorbance Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 102000001554 Hemoglobins Human genes 0.000 description 2
- 108010054147 Hemoglobins Proteins 0.000 description 2
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- 239000008354 sodium chloride injection Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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- 239000010432 diamond Substances 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- IRXRGVFLQOSHOH-UHFFFAOYSA-L dipotassium;oxalate Chemical compound [K+].[K+].[O-]C(=O)C([O-])=O IRXRGVFLQOSHOH-UHFFFAOYSA-L 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003617 erythrocyte membrane Anatomy 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
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- 239000013641 positive control Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明涉及一种磁控溅射涂层材料及其应用。本发明选用TiO2‑B复合靶材作为溅射源,在医用手术刀基体表面溅射沉积硼掺杂二氧化钛涂层。以TiO2作为涂层的基础材料,可以保证涂层的生物相容性,而掺杂元素硼则可以提高TiO2涂层的表面硬度。通过本发明的工艺可以获得表面硬度和生物性能优秀的复合涂层,并可广泛引用于医用手术刀领域。
Description
技术领域
本发明涉及涂层材料领域,具体涉及一种磁控溅射涂层材料及其应用。
背景技术
传统的手术刀由刀柄和可装卸的刀片两部分组成,其可用于切开、分离组织及切除病变。高硬度的手术刀可以在手术过程中减少患者痛楚,所以提高手术刀的表面硬度是一项值得长期研究的课题,另外,作为一种医用材料,其生物相容性也是不可忽视的性能指标,因此,有必要研究一种表面硬度高,生物相容性好的手术刀具。
发明内容
针对现有技术存在的问题,本发明旨在提供一种磁控溅射涂层材料,该涂层材料具有优异的生物相容性和表面硬度。
本发明提供了一种磁控溅射涂层材料,制备所述磁控溅射涂层材料包括以下步骤:
选取医用不锈钢作为基体材料;
采用砂纸逐级打磨不锈钢基体,用HF和HNO3的混合溶液去除不锈钢表面的氧化层,而后将基体材料放入无水乙醇中超声清洗15-30min,取出后烘干待用;
用等离子体轰击烘干后的不锈钢基体,使其具有合适的表面粗糙度;
将不锈钢基体放入磁控溅射镀膜机中,并对镀膜机抽真空,选用TiO2-B复合靶材作为溅射源,在氩气气氛下沉积硼掺杂二氧化钛涂层,溅射过程中基体温度200-220℃,溅射时间45-50min,靶基距6-9cm,靶材功率80-100W,氩气流量50-60sccm;
将涂层材料放入真空退火炉中进行真空退火处理,退火温度350-380℃,退火时间2-2.5h。
优选地,通过机械加工将所述基体材料切割为15*15*2mm。
优选地,所述HF的浓度为5%。
优选地,所述HNO3的浓度为8%。
优选地,所述复合靶材中硼的质量含量为8%-20%。
进一步地,本发明还提供了一种磁控溅射涂层材料的应用,即将上述涂层材料应用于医用手术刀领域。
本发明选用TiO2-B复合靶材作为溅射源,在医用手术刀基体表面溅射沉积硼掺杂二氧化钛涂层。以TiO2作为涂层的基础材料,可以保证涂层的生物相容性,而掺杂元素硼则可以提高TiO2涂层的表面硬度。通过本发明的工艺可以获得表面硬度和生物性能优秀的复合涂层,并可广泛引用于医用手术刀领域。
具体实施方式
下面通过具体实施例来验证本发明的技术效果,但是本发明的实施方式不局限于此。
实施例1
选取医用不锈钢作为基体材料,通过机械加工将其切割为15*15*2mm;
采用砂纸逐级打磨不锈钢基体,用5%的HF和8%的HNO3混合溶液去除不锈钢表面的氧化层,而后将基体材料放入无水乙醇中超声清洗15min,取出后烘干待用;
用等离子体轰击烘干后的不锈钢基体,使其具有2μm左右的表面粗糙度;
将不锈钢基体放入磁控溅射镀膜机中,并对镀膜机抽真空,选用TiO2-8wt%B复合靶材作为溅射源,在氩气气氛下沉积硼掺杂二氧化钛涂层,溅射过程中基体温度220℃,溅射时间45min,靶基距6cm,靶材功率80W,氩气流量50sccm;
将涂层材料放入真空退火炉中进行真空退火处理,退火温度350℃,退火时间2h。
实施例2
选取医用不锈钢作为基体材料,通过机械加工将其切割为15*15*2mm;
采用砂纸逐级打磨不锈钢基体,用5%的HF和8%的HNO3混合溶液去除不锈钢表面的氧化层,而后将基体材料放入无水乙醇中超声清洗15min,取出后烘干待用;
用等离子体轰击烘干后的不锈钢基体,使其具有2μm左右的表面粗糙度;
将不锈钢基体放入磁控溅射镀膜机中,并对镀膜机抽真空,选用TiO2-10wt%B复合靶材作为溅射源,在氩气气氛下沉积硼掺杂二氧化钛涂层,溅射过程中基体温度220℃,溅射时间45min,靶基距6cm,靶材功率80W,氩气流量50sccm;
将涂层材料放入真空退火炉中进行真空退火处理,退火温度350℃,退火时间2h。
实施例3
选取医用不锈钢作为基体材料,通过机械加工将其切割为15*15*2mm;
采用砂纸逐级打磨不锈钢基体,用5%的HF和8%的HNO3混合溶液去除不锈钢表面的氧化层,而后将基体材料放入无水乙醇中超声清洗15min,取出后烘干待用;
用等离子体轰击烘干后的不锈钢基体,使其具有2μm左右的表面粗糙度;
将不锈钢基体放入磁控溅射镀膜机中,并对镀膜机抽真空,选用TiO2-13wt%B复合靶材作为溅射源,在氩气气氛下沉积硼掺杂二氧化钛涂层,溅射过程中基体温度220℃,溅射时间45min,靶基距6cm,靶材功率80W,氩气流量50sccm;
将涂层材料放入真空退火炉中进行真空退火处理,退火温度350℃,退火时间2h。
实施例4
选取医用不锈钢作为基体材料,通过机械加工将其切割为15*15*2mm;
采用砂纸逐级打磨不锈钢基体,用5%的HF和8%的HNO3混合溶液去除不锈钢表面的氧化层,而后将基体材料放入无水乙醇中超声清洗15min,取出后烘干待用;
用等离子体轰击烘干后的不锈钢基体,使其具有2μm左右的表面粗糙度;
将不锈钢基体放入磁控溅射镀膜机中,并对镀膜机抽真空,选用TiO2-15wt%B复合靶材作为溅射源,在氩气气氛下沉积硼掺杂二氧化钛涂层,溅射过程中基体温度220℃,溅射时间45min,靶基距6cm,靶材功率80W,氩气流量50sccm;
将涂层材料放入真空退火炉中进行真空退火处理,退火温度350℃,退火时间2h。
实施例5
选取医用不锈钢作为基体材料,通过机械加工将其切割为15*15*2mm;
采用砂纸逐级打磨不锈钢基体,用5%的HF和8%的HNO3混合溶液去除不锈钢表面的氧化层,而后将基体材料放入无水乙醇中超声清洗15min,取出后烘干待用;
用等离子体轰击烘干后的不锈钢基体,使其具有2μm左右的表面粗糙度;
将不锈钢基体放入磁控溅射镀膜机中,并对镀膜机抽真空,选用TiO2-18wt%B复合靶材作为溅射源,在氩气气氛下沉积硼掺杂二氧化钛涂层,溅射过程中基体温度220℃,溅射时间45min,靶基距6cm,靶材功率80W,氩气流量50sccm;
将涂层材料放入真空退火炉中进行真空退火处理,退火温度350℃,退火时间2h。
实施例6
选取医用不锈钢作为基体材料,通过机械加工将其切割为15*15*2mm;
采用砂纸逐级打磨不锈钢基体,用5%的HF和8%的HNO3混合溶液去除不锈钢表面的氧化层,而后将基体材料放入无水乙醇中超声清洗15min,取出后烘干待用;
用等离子体轰击烘干后的不锈钢基体,使其具有2μm左右的表面粗糙度;
将不锈钢基体放入磁控溅射镀膜机中,并对镀膜机抽真空,选用TiO2-20wt%B复合靶材作为溅射源,在氩气气氛下沉积硼掺杂二氧化钛涂层,溅射过程中基体温度220℃,溅射时间45min,靶基距6cm,靶材功率80W,氩气流量50sccm;
将涂层材料放入真空退火炉中进行真空退火处理,退火温度350℃,退火时间2h。
对比例1
选取医用不锈钢作为基体材料,通过机械加工将其切割为15*15*2mm;
采用砂纸逐级打磨不锈钢基体,用5%的HF和8%的HNO3混合溶液去除不锈钢表面的氧化层,而后将基体材料放入无水乙醇中超声清洗15min,取出后烘干待用;
用等离子体轰击烘干后的不锈钢基体,使其具有2μm左右的表面粗糙度;
将不锈钢基体放入磁控溅射镀膜机中,并对镀膜机抽真空,选用TiO2-2wt%B复合靶材作为溅射源,在氩气气氛下沉积硼掺杂二氧化钛涂层,溅射过程中基体温度220℃,溅射时间45min,靶基距6cm,靶材功率80W,氩气流量50sccm;
将涂层材料放入真空退火炉中进行真空退火处理,退火温度350℃,退火时间2h。
对比例2
选取医用不锈钢作为基体材料,通过机械加工将其切割为15*15*2mm;
采用砂纸逐级打磨不锈钢基体,用5%的HF和8%的HNO3混合溶液去除不锈钢表面的氧化层,而后将基体材料放入无水乙醇中超声清洗15min,取出后烘干待用;
用等离子体轰击烘干后的不锈钢基体,使其具有2μm左右的表面粗糙度;
将不锈钢基体放入磁控溅射镀膜机中,并对镀膜机抽真空,选用TiO2-30wt%B复合靶材作为溅射源,在氩气气氛下沉积硼掺杂二氧化钛涂层,溅射过程中基体温度220℃,溅射时间45min,靶基距6cm,靶材功率80W,氩气流量50sccm;
将涂层材料放入真空退火炉中进行真空退火处理,退火温度350℃,退火时间2h。
进一步地,发明人对实施例1-6和对比例1-2的涂层硬度及生物相容性进行评价,具体方法为:
涂层硬度:采用MTS生产的Nano-indenter G200纳米压痕仪对涂层做纳米压入实验,得到涂层的硬度数据,实验选用Berkovich三棱锥金刚石压头,压入深度不超过涂层厚度的10%。
涂层生物相容性:通过溶血试验评价各样品的血液相容性,其原理在于:将样品与血液直接接触,测定红细胞膜破裂后释放的血红蛋白量,以检测各样品体外溶血程度。血红蛋白的吸收波长为545nm,可用分光光度计检测其浓度。具体操作步骤如下:
(1)从健康家兔心脏采血100mL,加入2%草酸钾5mL,制成新鲜抗凝血。取抗凝血40mL,加入0.9%氯化钠注射液50mL进行稀释。
(2)取3支硅化试管,一支试管装入试验样品和氯化钠注射液10mL,一支试管空白作为阴性对照组加入氯化钠生理盐水10mL,另外一支试管空白作为阳性对照组分别加入10mL蒸馏水。
(3)所有试管在37℃水浴中恒温30min,分别加入5mL抗凝兔血,并在37℃条件下保温60min。
(4)取试管上层清液,在545nm波长处测定吸光度。每一样品进行三次平行试验并取平均值。
溶血率的计算公式如下:
溶血率(%)=(试样平均吸光度-阴性组吸光度)/(阳性组吸光度-阴性组吸光度)×100
实施例1-6和对比例1-2的试验结果如表1所示。
表1 各样品的试验数据
组别 | 硬度/GPa | 溶血率/% |
实施例1 | 20.65 | 1.41 |
实施例2 | 21.44 | 1.53 |
实施例3 | 23.04 | 3.16 |
实施例4 | 25.12 | 3.92 |
实施例5 | 26.87 | 5.20 |
实施例6 | 29.19 | 6.32 |
对比例1 | 17.31 | 1.35 |
对比例2 | 32.14 | 15.84 |
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明技术原理的前提下,还可以做出若干改进和变型,这些改进和变型也应视为本发明的保护范围。
Claims (5)
1.一种磁控溅射涂层材料,其特征在于,制备所述磁控溅射涂层材料包括以下步骤:
选取医用不锈钢作为基体材料;
采用砂纸逐级打磨不锈钢基体,用HF和HNO3的混合溶液去除不锈钢表面的氧化层,而后将基体材料放入无水乙醇中超声清洗15-30min,取出后烘干待用;
用等离子体轰击烘干后的不锈钢基体,使其具有合适的表面粗糙度;
将不锈钢基体放入磁控溅射镀膜机中,并对镀膜机抽真空,选用TiO2-B复合靶材作为溅射源,所述复合靶材中硼的质量含量为8%-20%,在氩气气氛下沉积硼掺杂二氧化钛涂层,溅射过程中基体温度200-220℃,溅射时间45-50min,靶基距6-9cm,靶材功率80-100W,氩气流量50-60sccm;
将涂层材料放入真空退火炉中进行真空退火处理,退火温度350-380℃,退火时间2-2.5h。
2.一种如权利要求1所述的一种磁控溅射涂层材料,其特征在于,通过机械加工将所述基体材料切割为15*15*2mm。
3.一种如权利要求1所述的一种磁控溅射涂层材料,其特征在于,所述HF的浓度为5%。
4.一种如权利要求1所述的一种磁控溅射涂层材料,其特征在于,所述HNO3的浓度为8%。
5.一种磁控溅射涂层材料的应用,其特征在于,将权利要求1-4任一项所述的涂层材料应用于医用手术刀领域。
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