WC添加对热压铁基预合金粉末胎体性能的影响
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摘要
针对孕镶金刚石钻头在强研磨性地层中磨损快、寿命短的问题,利用WC硬度高、润湿性好、耐磨性好的特点,向铁基预合金粉末中添加WC颗粒作为胎体骨架金属。通过测试不同WC含量的胎体试样的硬度、抗冲击韧性以及抗弯强度,寻找骨架金属WC对胎体性能的影响规律。试验结果发现,随着WC含量的逐渐增加,胎体的硬度、抗冲击韧性、抗弯强度均呈现先增大后减小的变化趋势。从微观和能量的角度出发,分析了出现这种规律的原因。最后得出烧结温度为830℃、WC含量为5%时,胎体的性能达到最优,此时胎体的强度和研磨性最大。
In order to tackle the problems of fast wear and short life of impregnated diamond bit in abrasive formation, the WC was added to iron base prealloyed powders as matrix metal owing to the characteristics of high hardness, high wettability and good abrasion resistance of WC. The hardness, impact toughness and bending strength of the matrix sample with different WC contents were tested to find the influence law of the support metal WC on the matrix performance. The results show that with the gradual increase of WC contents, the hardness, the impact toughness and the bending strength of the matrix sample exhibit the same trend: increase first and then decrease. From the perspective of micro-structure and energy, the reason of this rule is analyzed. Finally,it is concluded that the matrix achieves the optimal performance when the sintering temperature is 830℃ and the WC content is 5%. In this case, the strength and abrasiveness of the matrix sample are the maximum.
In order to tackle the problems of fast wear and short life of impregnated diamond bit in abrasive formation, the WC was added to iron base prealloyed powders as matrix metal owing to the characteristics of high hardness, high wettability and good abrasion resistance of WC. The hardness, impact toughness and bending strength of the matrix sample with different WC contents were tested to find the influence law of the support metal WC on the matrix performance. The results show that with the gradual increase of WC contents, the hardness, the impact toughness and the bending strength of the matrix sample exhibit the same trend: increase first and then decrease. From the perspective of micro-structure and energy, the reason of this rule is analyzed. Finally,it is concluded that the matrix achieves the optimal performance when the sintering temperature is 830℃ and the WC content is 5%. In this case, the strength and abrasiveness of the matrix sample are the maximum.
引文
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[7] 谢德龙,万隆,宁春旭,等.Fe基预合金粉的结构及低温烧结性能研究[J].人工晶体学报,2015,44(1):1-6. XIE Delong, WAN Long, NING Chunxu, et al. Research on structure and low-temperature sintering properties of Fe based prealloyed powders[J]. Journal of Synthetic Crystals, 2015,44(1):1-6.
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[10] 阎冠欣.热压高磷铁基胎体性能及其金刚石钻头研究[J].探矿工程(岩土钻掘工程),2009,36(5):75-77,80. YAN Guanxin. Study on the performance of hot pressed high phosphorus iron alloy matrix and the diamond bit[J]. Exploration Engineering (Rock & Soil Drilling and Tunneling), 2009,36(5):75-77,80.
[11] 谢德龙,林峰,方啸虎,等.相同骨架相含量下W基和WC基金属结合剂烧结性能对比分析[J].超硬材料工程,2018,30(1):24-27. XIE Delong, LIN Feng, FANG Xiaohu, et al. Comparasion analysis of the sinter property of W and WC based metal bond on the same framework phase condition[J]. Superhard Material Engineering, 2018,30(1):24-27.
[12] 金鑫,方小红,段隆臣.新型热压 WC-Fe 基金刚石钻头胎体性能研究[J].煤田地质与勘探,2013,(3):84-86. JIN Xin, FANG Xiaohong, DUAN Longchen. Research of matrix performances of new type of hot pressed tungsten carbide and iron based diamond bit[J]. Coal Geology & Exploration, 2013,(3):84-86.
[13] 王栋材,阎宝岐.冲击韧性本质及形状尺寸因素的探讨[J].包钢科技,1983,(1):56-64. WANG Dongcai, YAN Baoqi. Essence of impact toughness and influence of shape and size[J]. Science & Technology of Baotou Steel (Group) Corporation, 1983,(1):56-64.
[14] 蒋辽,张明明,邱世廷,等.深孔钻进中钻杆振动机理及其预防措施[J].甘肃水利水电技术,2016,52(4):41-43,65. JIANG Liao, ZHANG Mingming, QIU Shiting, et al. Vibration mechanism of drill pipe in deep hole drilling and preventive measures[J]. Gansu Water Conservancy and Hydropower Technology, 2016,52(4):41-43,65.
[15] 衣林,李特,杨振林,等.浅析孕镶金刚石钻头胎体掉落原因与事故处理[J].黑龙江科技信息,2017,(15):113-114. YI Lin, LI Te, YANG Zhenlin, et al. Brief analysis of causes of impregnated diamond bit matrix breaking off andtreatment [J]. Heilongjiang Science and Technology Information, 2017,(15):113-114.
[16] 江新洪,段隆臣,刘志义.泥浆对钻头WC基胎体材料冲蚀磨损的试验研究[J].煤田地质与勘探,2007,(4):77-80. JIANG Xinhong, DUAN Longchen, LIU Zhiyi. Experimental research on erosion and corrosion of WC-base matrix materials for drill bits under impingement of drilling mud[J]. Coal Geology & Exploration, 2007,(4):77-80.
[17] 张翼高.孕镶金刚石钻头胎体的微观结构与K_(IC)的关系[J].地质与勘探,1988,(7):63-66. ZHANG Yigao. Microstructure and fracture troughness of a diamond impregnated bit matrix[J]. Geology and Exploration, 1988,(7):63-66.
[2] 汤凤林,彭莉,Чихоткин В.Φ.,等.关于提高金刚石钻头胎体耐磨性的试验研究[J].探矿工程(岩土钻掘工程),2016,43(1):7-13. TANG Fenglin, PENG Li, CHIKHOTKIN V. F., et al. Experimental research on matrix wear resistance (matrix hardness) of impregnated diamond bit[J]. Exploration Engineering (Rock & Soil Drilling and Tunneling), 2016,43(1):7-13.
[3] 张翼高.孕镶金刚石钻头胎体硬度本质的探讨[J].煤田地质与勘探,1988,(5):64-67. ZHANG Yigao. Discussion on the hardness essence of matrix of impregnated diamond bit[J]. Coal Geology & Exploration, 1988,(5):64-67.
[4] 薛军.大陆科学钻探孕镶金刚石钻头胎体配方的前期研究[J].探矿工程,2000,(5):62-63,66. XUE Jun. Preliminary study on matrix using in higher temperature for continental scientific drilling[J]. Exploration Engineering, 2000,(5):62-63,66.
[5] 章文姣,杨凯华,段隆臣.WC对金刚石钻头镍基钎料胎体性能的影响[J].粉末冶金材料科学与工程,2011,16(6):881-885. ZHANG Wenjiao, YANG Kaihua, DUAN Longchen. Impact of WC on diamond bit’s matrix performance with nickel-based brazing material[J]. Materials Science and Engineering of Powder Metallurgy, 2011,16(6):881-885.
[6] 张绍和,丁星妤,杨仙,等.金刚石工具胎体预合金粉末制取与应用[J].金刚石与磨料磨具工程,2006,(6):22-27. ZHANG Shaohe, DING Xingyu, YANG Xian, et al. Preparation of pre-alloyed powder and it’s application in diamond tools[J]. Diamond & Abrasives Engineering, 2006,(6):22-27.
[7] 谢德龙,万隆,宁春旭,等.Fe基预合金粉的结构及低温烧结性能研究[J].人工晶体学报,2015,44(1):1-6. XIE Delong, WAN Long, NING Chunxu, et al. Research on structure and low-temperature sintering properties of Fe based prealloyed powders[J]. Journal of Synthetic Crystals, 2015,44(1):1-6.
[8] 方啸虎,刘瑞平,温简杰,等.预合金粉末技术与Fe基预合金粉的研究进展[C]// 2009中国超硬材料行业技术发展论坛论文集.中国机床工具工业协会,2009:221-226. FANG Xiaohu, LIU Ruiping, WEN Jianjie, et al. Advances in pre-alloyed powder technology and Fe-based pre-alloyed powder[C]// Proceedings of China super hard material industry technology development forum 2009. China Machine Tool & Tool Builders’ Association, 2009:221-226.
[9] 李子章,邓伟,杨凯华.热压铁基孕镶金刚石钻头的试验研究[J].探矿工程(岩土钻掘工程),2008,35(7):94-96. LI Zizhang, DENG Wei, YANG Kaihua. Experiment study on hot-pressing iron-based impregnated diamond drilling bit[J]. Exploration Engineering (Rock & Soil Drilling and Tunneling), 2008,35(7):94-96.
[10] 阎冠欣.热压高磷铁基胎体性能及其金刚石钻头研究[J].探矿工程(岩土钻掘工程),2009,36(5):75-77,80. YAN Guanxin. Study on the performance of hot pressed high phosphorus iron alloy matrix and the diamond bit[J]. Exploration Engineering (Rock & Soil Drilling and Tunneling), 2009,36(5):75-77,80.
[11] 谢德龙,林峰,方啸虎,等.相同骨架相含量下W基和WC基金属结合剂烧结性能对比分析[J].超硬材料工程,2018,30(1):24-27. XIE Delong, LIN Feng, FANG Xiaohu, et al. Comparasion analysis of the sinter property of W and WC based metal bond on the same framework phase condition[J]. Superhard Material Engineering, 2018,30(1):24-27.
[12] 金鑫,方小红,段隆臣.新型热压 WC-Fe 基金刚石钻头胎体性能研究[J].煤田地质与勘探,2013,(3):84-86. JIN Xin, FANG Xiaohong, DUAN Longchen. Research of matrix performances of new type of hot pressed tungsten carbide and iron based diamond bit[J]. Coal Geology & Exploration, 2013,(3):84-86.
[13] 王栋材,阎宝岐.冲击韧性本质及形状尺寸因素的探讨[J].包钢科技,1983,(1):56-64. WANG Dongcai, YAN Baoqi. Essence of impact toughness and influence of shape and size[J]. Science & Technology of Baotou Steel (Group) Corporation, 1983,(1):56-64.
[14] 蒋辽,张明明,邱世廷,等.深孔钻进中钻杆振动机理及其预防措施[J].甘肃水利水电技术,2016,52(4):41-43,65. JIANG Liao, ZHANG Mingming, QIU Shiting, et al. Vibration mechanism of drill pipe in deep hole drilling and preventive measures[J]. Gansu Water Conservancy and Hydropower Technology, 2016,52(4):41-43,65.
[15] 衣林,李特,杨振林,等.浅析孕镶金刚石钻头胎体掉落原因与事故处理[J].黑龙江科技信息,2017,(15):113-114. YI Lin, LI Te, YANG Zhenlin, et al. Brief analysis of causes of impregnated diamond bit matrix breaking off andtreatment [J]. Heilongjiang Science and Technology Information, 2017,(15):113-114.
[16] 江新洪,段隆臣,刘志义.泥浆对钻头WC基胎体材料冲蚀磨损的试验研究[J].煤田地质与勘探,2007,(4):77-80. JIANG Xinhong, DUAN Longchen, LIU Zhiyi. Experimental research on erosion and corrosion of WC-base matrix materials for drill bits under impingement of drilling mud[J]. Coal Geology & Exploration, 2007,(4):77-80.
[17] 张翼高.孕镶金刚石钻头胎体的微观结构与K_(IC)的关系[J].地质与勘探,1988,(7):63-66. ZHANG Yigao. Microstructure and fracture troughness of a diamond impregnated bit matrix[J]. Geology and Exploration, 1988,(7):63-66.