CN113621965A - 一种合金刀具表面金刚石梯度膜及其制备方法 - Google Patents
一种合金刀具表面金刚石梯度膜及其制备方法 Download PDFInfo
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Abstract
本发明公开的属于金刚石薄膜技术领域，具体为一种合金刀具表面金刚石梯度膜及其制备方法，其合金刀具表面金刚石梯度膜包括：基层、防蚀层、过渡层、耐磨层和保护层，所述基层上安装有防蚀层，所述防蚀层上安装有过渡层，所述过渡层上安装有耐磨层，所述耐磨层上安装有保护层，所述基层、防蚀层、过渡层和耐磨层的尺寸呈梯度依次增大，所述基层为钛合金膜，所述基层的厚度为100‑200nm，所述防蚀层为金属Cr层，所述防蚀层的厚度为50‑100nm。该合金刀具表面金刚石梯度膜及其制备方法，通过设置防腐蚀结构和抗冲击结构，能够在保证耐磨性能的情况下，提供更好的防腐蚀性能和抗冲击性能，提高刀具的使用寿命和强度。
Description
技术领域
本发明涉及金刚石薄膜技术领域，具体为一种合金刀具表面金刚石梯度膜及其制备方法。
背景技术
热丝化学气相沉积金刚石薄膜对生长参数的要求相对宽松，也可以实现复杂刀具表面基体金刚石的沉积。因此，HFCVD金刚石薄膜适合作为抗拉强度低、高脆性的脆硬材料切削刀具的涂层材料。以达到与脆硬材料间弱粘附性，具有优异的机械及摩擦学性能，有效延缓切削刃的磨损失效，提升高钴硬质合金刀具耐用度的目的。但是现有的金刚石膜往往只具备较好的耐磨性能，由于本身材料的限制，其脆性较大，抗冲击性能不强，且本身的耐腐蚀性能较差，金刚石膜容易受到腐蚀损坏。
发明内容
本部分的目的在于概述本发明的实施方式的一些方面以及简要介绍一些较佳实施方式。在本部分以及本申请的说明书摘要和发明名称中可能会做些简化或省略以避免使本部分、说明书摘要和发明名称的目的模糊，而这种简化或省略不能用于限制本发明的范围。
为解决上述技术问题，根据本发明的一个方面，本发明提供了如下技术方案：
一种合金刀具表面金刚石梯度膜，其包括：基层、防蚀层、过渡层、耐磨层和保护层，所述基层上安装有防蚀层，所述防蚀层上安装有过渡层，所述过渡层上安装有耐磨层，所述耐磨层上安装有保护层，所述基层、防蚀层、过渡层和耐磨层的尺寸呈梯度依次增大。
作为本发明所述的合金刀具表面金刚石梯度膜的一种优选方案，其中：所述基层为钛合金膜，所述基层的厚度为100-200nm。
作为本发明所述的合金刀具表面金刚石梯度膜的一种优选方案，其中：所述防蚀层为金属Cr层，所述防蚀层的厚度为50-100nm。
作为本发明所述的合金刀具表面金刚石梯度膜的一种优选方案，其中：所述过渡层为金属Ni溅射形成，所述过渡层的厚度为50-100nm。
作为本发明所述的合金刀具表面金刚石梯度膜的一种优选方案，其中：所述耐磨层为金刚石薄膜，所述耐磨层的厚度为500-1000nm。
作为本发明所述的合金刀具表面金刚石梯度膜的一种优选方案，其中：所述保护层为陶瓷颗粒制成，所述保护层的厚度为100-200nm。
一种合金刀具表面金刚石梯度膜制备方法，包括如下步骤：
S1：取出合金刀具，将基层均匀涂刷在合金刀具上；
S2:在涂刷有金属基层的合金刀具上，将防蚀层电镀在合金刀具的表面；
S3：在电镀的合金刀具的抛光表面上，溅射金属Ni制成过渡层；
S4：将溅射过渡层后的合金刀具，置于金刚石悬浮液中进行接种，接种后取出进行干燥处理，将干燥处理后的刀具置于热丝化学气相沉积设备内，在刀具表面沉积生长耐磨层；
S5：在生长出的耐磨层表面涂刷陶瓷颗粒的混合液，将混合液均匀地涂抹在刀具表面，用刮除多余厚度的部分，置于加热炉中，按照升温程序进行加热保温，再随炉冷却至室温。
与现有技术相比：通过在刀具上设置防蚀层，防蚀层提供防止腐蚀的功能，避免刀具被腐蚀损坏，通过过渡层粘合防蚀层和耐磨层，通过耐磨层提供耐磨性能，提高刀具的抗磨损能力，通过保护层保护脆性较高的耐磨层受到损坏，提高刀具的抗冲击能力，该合金刀具表面金刚石梯度膜及其制备方法，通过设置防腐蚀结构和抗冲击结构，能够在保证耐磨性能的情况下，提供更好的防腐蚀性能和抗冲击性能，提高刀具的使用寿命和强度。
附图说明
为了更清楚地说明本发明实施方式的技术方案，下面将结合附图和详细实施方式对本发明进行详细说明，显而易见地，下面描述中的附图仅仅是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其它的附图。其中：
图1为本发明金刚石梯度膜的剖视图。
图中：100基层、200防蚀层、300过渡层、400耐磨层、500保护层。
具体实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂，下面对本发明的具体实施方式做详细的说明。
在下面的描述中阐述了很多具体细节以便于充分理解本发明，但是本发明还可以采用其他不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本发明内涵的情况下做类似推广，因此本发明不受下面公开的具体实施方式的限制。
为使本发明的目的、技术方案和优点更加清楚，下面将对本发明的实施方式作进一步地详细描述。
本发明提供一种合金刀具表面金刚石梯度膜及其制备方法，通过设置防腐蚀结构和抗冲击结构，能够在保证耐磨性能的情况下，提供更好的防腐蚀性能和抗冲击性能，提高刀具的使用寿命和强度。
实施例1
请参阅图1，所述基层100上安装有防蚀层200，所述防蚀层200上安装有过渡层300，所述过渡层300上安装有耐磨层400，所述耐磨层400上安装有保护层500，所述基层100、防蚀层200、过渡层300和耐磨层400的尺寸呈梯度依次增大，所述基层100为钛合金膜，所述基层100的厚度为100nm，所述防蚀层200为金属Cr层，所述防蚀层200的厚度为50nm，所述过渡层300为金属Ni溅射形成，所述过渡层300的厚度为50nm，所述耐磨层400为金刚石薄膜，所述耐磨层400的厚度为500nm，所述保护层500为陶瓷颗粒制成，所述保护层500的厚度为100nm。
实施例2
请再次参阅图1，通过取出合金刀具，将基层100均匀涂刷在合金刀具上；在涂刷有金属基层100的合金刀具上，将防蚀层200电镀在合金刀具的表面；在电镀的合金刀具的抛光表面上，溅射金属Ni制成过渡层300；将溅射过渡层300后的合金刀具，置于金刚石悬浮液中进行接种，接种后取出进行干燥处理，将干燥处理后的刀具置于热丝化学气相沉积设备内，在刀具表面沉积生长耐磨层400；在生长出的耐磨层400表面涂刷陶瓷颗粒的混合液，将混合液均匀地涂抹在刀具表面，用刮除多余厚度的部分，置于加热炉中，按照升温程序进行加热保温，再随炉冷却至室温。
在具体的使用时，通过在刀具上设置防蚀层200，防蚀层200提供防止腐蚀的功能，避免刀具被腐蚀损坏，通过过渡层300粘合防蚀层200和耐磨层400，通过耐磨层400提供耐磨性能，提高刀具的抗磨损能力，通过保护层500保护脆性较高的耐磨层400受到损坏，提高刀具的抗冲击能力。
虽然在上文中已经参考实施方式对本发明进行了描述，然而在不脱离本发明的范围的情况下，可以对其进行各种改进并且可以用等效物替换其中的部件。尤其是，只要不存在结构冲突，本发明所披露的实施方式中的各项特征均可通过任意方式相互结合起来使用，在本说明书中未对这些组合的情况进行穷举性的描述仅仅是出于省略篇幅和节约资源的考虑。因此，本发明并不局限于文中公开的特定实施方式，而是包括落入权利要求的范围内的所有技术方案。
Claims (7)
1.一种合金刀具表面金刚石梯度膜，其特征在于，包括：基层(100)、防蚀层(200)、过渡层(300)、耐磨层(400)和保护层(500)，所述基层(100)上安装有防蚀层(200)，所述防蚀层(200)上安装有过渡层(300)，所述过渡层(300)上安装有耐磨层(400)，所述耐磨层(400)上安装有保护层(500)，所述基层(100)、防蚀层(200)、过渡层(300)和耐磨层(400)的尺寸呈梯度依次增大。
2.根据权利要求1所述的一种合金刀具表面金刚石梯度膜，其特征在于，所述基层(100)为钛合金膜，所述基层(100)的厚度为100-200nm。
3.根据权利要求1所述的一种合金刀具表面金刚石梯度膜，其特征在于，所述防蚀层(200)为金属Cr层，所述防蚀层(200)的厚度为50-100nm。
4.根据权利要求1所述的一种合金刀具表面金刚石梯度膜，其特征在于，所述过渡层(300)为金属Ni溅射形成，所述过渡层(300)的厚度为50-100nm。
5.根据权利要求1所述的一种合金刀具表面金刚石梯度膜，其特征在于，所述耐磨层(400)为金刚石薄膜，所述耐磨层(400)的厚度为500-1000nm。
6.根据权利要求1所述的一种合金刀具表面金刚石梯度膜，其特征在于，所述保护层(500)为陶瓷颗粒制成，所述保护层(500)的厚度为100-200nm。
7.一种合金刀具表面金刚石梯度膜的制备方法，其特征在于，包括如下步骤：
S1：取出合金刀具，将基层(100)均匀涂刷在合金刀具上；
S2:在涂刷有金属基层(100)的合金刀具上，将防蚀层(200)电镀在合金刀具的表面；
S3：在电镀的合金刀具的抛光表面上，溅射金属Ni制成过渡层(300)；
S4：将溅射过渡层(300)后的合金刀具，置于金刚石悬浮液中进行接种，接种后取出进行干燥处理，将干燥处理后的刀具置于热丝化学气相沉积设备内，在刀具表面沉积生长耐磨层(400)；
S5：在生长出的耐磨层(400)表面涂刷陶瓷颗粒的混合液，将混合液均匀地涂抹在刀具表面，用刮除多余厚度的部分，置于加热炉中，按照升温程序进行加热保温，再随炉冷却至室温。
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