CN107083514A - 一种合金钢 - Google Patents

一种合金钢 Download PDF

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CN107083514A
CN107083514A CN201710235055.4A CN201710235055A CN107083514A CN 107083514 A CN107083514 A CN 107083514A CN 201710235055 A CN201710235055 A CN 201710235055A CN 107083514 A CN107083514 A CN 107083514A
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吴长应
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Shenzhen I want Mold Technology Co., Ltd.
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Wuhu Yangzhan New Material Technology Service Co Ltd
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Abstract

本发明公开了一种合金钢，包含如下质量百分比的组分：铁86‑90％、镀铜TiB2‑Al2O3‑TiC复合粉体4‑5％、锆0.01‑0.03％、碳化钨3‑4％、锰0.7‑1.2％、稀土0.3‑0.5％、钼0.8‑1.0％、铬基合金粉末1.0‑1.5％、铌0.03‑0.06％、磷0.03‑0.05％、硫0.02‑0.03％、碳0.12‑0.2％。本发明的合金钢采用对复合粉体的改进，再配以其他成分，通过粉末冶金的方法制成，使得制得的合金钢具有良好的耐冲击率、耐高温性、耐磨损性和抗腐蚀性，且使用寿命也有增强。

Description

一种合金钢
技术领域
本发明属于粉末冶金材料领域，具体涉及一种合金钢。
背景技术
粉末冶金低合金钢具有高强度，高硬度和较好延性，特别适合于作结构材料，因此被广泛应用于国防工业和民用工业中，尤其在汽车、摩托车、枪械和家电行业中。随着科技日新月异的发展和人们对产品质量要求的提高，对材料的要求也越来越高。为了提高粉末冶金合金钢的性能，国内外材料研究者在合金钢的成分设计原料制备成形技术和烧结方法等方面进行了大量研究。本发明在已有研究的基础上，经过多次成分改进和实验，提供了一种陶瓷粉体镀铜配以其他多种金属粉末的合金钢，该合金钢具有良好的耐冲击率、耐高温性、耐磨损性和抗腐蚀性，且使用寿命也有增强。
发明内容
针对上述技术问题，本发明提供了一种合金钢，该合金钢具有良好的耐冲击率、耐高温性、耐磨损性和抗腐蚀性，且使用寿命也有增强。
为了实现上述目的，本发明采用的技术方案为：一种合金钢，包含如下质量百分比的组分：铁86-90％、镀铜TiB2-Al2O3-TiC复合粉体4-5％、锆0.01-0.03％、碳化钨3-4％、锰0.7-1.2％、稀土0.3-0.5％、钼0.8-1.0％、铬基合金粉末1.0-1.5％、铌0.03-0.06％、磷0.03-0.05％、硫0.02-0.03％、碳0.12-0.2％；其中，镀铜TiB2-Al2O3-TiC复合粉体的制备过程为：
1)对TiB2-Al2O3-TiC复合粉体进行表面预处理：将一定量的复合粉体加入丙酮放置在30-50KHz的超声仪水槽中超声清洗10-15min，再用蒸馏水清洗3-5次后放置在15％的HF水溶液中粗化15-20min，用蒸馏水清洗3-5次后再用敏化液进行敏化25-35min，用蒸馏水清洗3-5次后然后在活化液中活化15-20min，最后将活化后的复合粉体置于80℃干燥箱中烘干至恒重，待用；其中，敏化液组分为15g/L SnCl2、35ml/L HCl的混合溶液；活化液组分为0.05g/L PdCl2、10g/L H3BO3、5ml/L HCl的混合溶液；
2)化学电镀：首先配置电镀铜液A组分，其A组分为硫酸铜10-25g/L、乙二胺四乙酸二钠0.5-1g/L、酒石酸钾钠95-110g/L、氢氧化钠25-35g/L、亚铁***1-2g/L、硼酸5-8g/L的混合液，然后配置10-30ml/L的还原剂甲醛溶液B组分，单独存放；化学镀时，将上述预处理后的TiB2-Al2O3-TiC复合粉体加入到A组分混合液中，然后将B组分溶液与加入复合粉体的A组分混合液混合，采用磁搅拌器搅拌，搅拌速率为25-35r/min，搅拌15-20min后清洗过滤，在真空干燥箱中于80℃烘干至恒重，得到镀铜TiB2-Al2O3-TiC复合粉体。
上述TiB2-Al2O3-TiC复合粉体的制备方法参考论文《自蔓延制备TiB2Al2O3TiC复合粉体增强铝基复合材料的研究》。
所述铬基合金粉末的型号为Cr50铬基合金粉末。
所述稀土为钒、钇中的一种或两种。
本发明的有益效果：本发明的合金钢采用对复合粉体的改进，再配以其他成分，通过粉末冶金的方法制成，使得制得的合金钢具有良好的耐冲击率、耐高温性、耐磨损性和抗腐蚀性，且使用寿命为现有同类产品的1.2-1.5倍。
具体实施方式
以下对本发明的具体实施方式进行详细说明。应当理解的是，此处所描述的具体实施方式仅用于说明和解释本发明，并不用于限制本发明。实施例中，铁、锆、锰、稀土、钼、铌、碳化钨、磷、硫、碳、铬基合金粉末为马可波罗网产品。
实施例1
一种合金钢，包含如下质量百分比的组分：
铁88.24％、镀铜TiB2-Al2O3-TiC复合粉体4.5％、锆0.02％、碳
化钨3.5％、锰1.0％、钒0.5％、钼0.8％、铬基合金粉末1.2％、
铌0.04％、磷0.03％、硫0.02％、碳0.15％。
上述镀铜TiB2-Al2O3-TiC复合粉体的制备过程为：
1)对TiB2-Al2O3-TiC复合粉体进行表面预处理：将30g的复合粉体加入500mL丙酮放置在40KHz的超声仪水槽中超声清洗15min，再用蒸馏水清洗5次后放置在500mL 15％的HF水溶液中粗化20min，用蒸馏水清洗5次后再用500mL敏化液进行敏化35min，用蒸馏水清洗5次后然后在500mL活化液中活化20min，最后将活化后的复合粉体置于80℃干燥箱中烘干至恒重，待用；其中，敏化液组分为15g/L SnCl2、35ml/L HCl的混合溶液；活化液组分为0.05g/L PdCl2、10g/L H3BO3、5ml/L HCl的混合溶液；
2)化学电镀：首先配置电镀铜液A组分，其A组分为硫酸铜20g/L、乙二胺四乙酸二钠1g/L、酒石酸钾钠105g/L、氢氧化钠30g/L、亚铁***1g/L、硼酸7g/L的混合液，然后配置30ml/L的还原剂甲醛溶液B组分，单独存放；化学镀时，将上述预处理后的TiB2-Al2O3-TiC复合粉体加入到A组分混合液中，然后将B组分溶液与加入复合粉体的A组分混合液混合，采用磁搅拌器搅拌，搅拌速率为35r/min，搅拌18min后清洗过滤，在真空干燥箱中于80℃烘干至恒重，得到镀铜TiB2-Al2O3-TiC复合粉体。
经检测，制得的合金钢的技术参数如下：抗拉强度为465MPa，屈服强度286MPa，使用寿命为同等产品的1.33倍。
实施例2
一种合金钢，包含如下质量百分比的组分：
铁88％、镀铜TiB2-Al2O3-TiC复合粉体4％、锆0.03％、碳化钨3.6％、锰1.2％、钒0.4％、钼1.0％、铬基合金粉末1.5％、铌0.04％、磷0.03％、硫0.02％、碳0.18％。
上述镀铜TiB2-Al2O3-TiC复合粉体的制备过程为：
1)对TiB2-Al2O3-TiC复合粉体进行表面预处理：将30g的复合粉体加入500mL丙酮放置在45KHz的超声仪水槽中超声清洗12min，再用蒸馏水清洗4次后放置在500mL 15％的HF水溶液中粗化20min，用蒸馏水清洗4次后再用500mL敏化液进行敏化30min，用蒸馏水清洗4次后然后在500mL活化液中活化20min，最后将活化后的复合粉体置于80℃干燥箱中烘干至恒重，待用；其中，敏化液组分为15g/L SnCl2、35ml/L HCl的混合溶液；活化液组分为0.05g/L PdCl2、10g/L H3BO3、5ml/L HCl的混合溶液；
2)化学电镀：首先配置电镀铜液A组分，其A组分为硫酸铜25g/L、乙二胺四乙酸二钠1g/L、酒石酸钾钠105g/L、氢氧化钠30g/L、亚铁***1.5g/L、硼酸5g/L的混合液，然后配置30ml/L的还原剂甲醛溶液B组分，单独存放；化学镀时，将上述预处理后的TiB2-Al2O3-TiC复合粉体加入到A组分混合液中，然后将B组分溶液与加入复合粉体的A组分混合液混合，采用磁搅拌器搅拌，搅拌速率为30r/min，搅拌20min后清洗过滤，在真空干燥箱中于80℃烘干至恒重，得到镀铜TiB2-Al2O3-TiC复合粉体。
经检测，制得的合金钢的技术参数如下：抗拉强度为471MPa，屈服强度293MPa，使用寿命为同等产品的1.41倍。

Claims (3)

1.一种合金钢，其特征在于，包含如下质量百分比的组分：铁86-90％、镀铜TiB2-Al2O3-TiC复合粉体4-5％、锆0.01-0.03％、碳化钨3-4％、锰0.7-1.2％、稀土0.3-0.5％、钼0.8-1.0％、铬基合金粉末1.0-1.5％、铌0.03-0.06％、磷0.03-0.05％、硫0.02-0.03％、碳0.12-0.2％；其中，镀铜TiB2-Al2O3-TiC复合粉体的制备过程为：
1)对TiB2-Al2O3-TiC复合粉体进行表面预处理：将一定量的复合粉体加入丙酮放置在30-50KHz的超声仪水槽中超声清洗10-15min，再用蒸馏水清洗3-5次后放置在15％的HF水溶液中粗化15-20min，用蒸馏水清洗3-5次后再用敏化液进行敏化25-35min，用蒸馏水清洗3-5次后然后在活化液中活化15-20min，最后将活化后的复合粉体置于80℃干燥箱中烘干至恒重，待用；其中，敏化液组分为15g/L SnCl2、35ml/L HCl的混合溶液；活化液组分为0.05g/L PdCl2、10g/L H3BO3、5ml/L HCl的混合溶液；
2)化学电镀：首先配置电镀铜液A组分，其A组分为硫酸铜10-25g/L、乙二胺四乙酸二钠0.5-1g/L、酒石酸钾钠95-110g/L、氢氧化钠25-35g/L、亚铁***1-2g/L、硼酸5-8g/L的混合液，然后配置10-30ml/L的还原剂甲醛溶液B组分，单独存放；化学镀时，将上述预处理后的TiB2-Al2O3-TiC复合粉体加入到A组分混合液中，然后将B组分溶液与加入复合粉体的A组分混合液混合，采用磁搅拌器搅拌，搅拌速率为25-35r/min，搅拌15-20min后清洗过滤，在真空干燥箱中于80℃烘干至恒重，得到镀铜TiB2-Al2O3-TiC复合粉体。
2.根据权利要求1所述的一种合金钢，其特征在于：所述铬基合金粉末的型号为Cr50铬基合金粉末。
3.根据权利要求1所述的一种合金钢，其特征在于：所述稀土为钒、钇中的一种或两种。
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