The paper discusses the surface boronization method and technology used in the experimental research of hard alloy bits It has a positive effect on the improvement of hard alloy bit body surface strength, wearability and service lif
对钎头胎体表面渗硼方法和工艺进行了实验研究，给出了有关工艺参数与方法。
Based on the analysis of air hammer bit,the present situation of research on mechanics,mechanism of bit and rock mutual impedance,statics,dynamics,hydraulics and the usage of computer simulation on bit are introduced.
根据国内外空气锤钎头资料,阐述了空气锤钎头在结构、空气锤钎头与岩石互作用、静力学、动力学、水力学以及计算机仿真技术应用等方面的研究现状。
The technology and design of one-step molding bore bit;
钎头一次成型工艺及模具设计
The results show that the microstructure of new type bainite steel bore bit is bainite ferrite (BF) and retained austenite and has good strength-toughness, wear resistance and has higher tempering resistance.
研究了新型贝氏体钢钎头材料的组织、力学性能及耐磨性能,结果表明,新型贝氏体钢钎头材料组织由贝氏体铁素体(BF)和奥氏体(AR)组成,具有良好的强韧性、耐磨性和较高的回火抗力。
The warm extrusion forming process and the die for bore bit were analyzed,It is fornd that the main reactor of die & in-die were fractured is forming pressure,structure & manufacture of the die and forming machine etc,and some related measures was tabed to improve using age of die.
通过对钎头温挤成型工艺过程和成型模具的分析 ,找出了凸模拉断、凹模开裂的主要原因 (成型压力、模具结构与制造、成形设备等 ) ,采取了相应的措施 ,提高了模具的使用寿命。
Effect of rare earth cerium on the microstructure and tensile properties of brazed joint;
稀土Ce对Cu-Ag-P钎料钎焊接头组织和性能的影响
Residual stresses in brazed joints of ceramic-metal heater;
金属/陶瓷发热体直接钎焊接头的应力分析
Fracture microstructures and properties of Al-Li alloy brazed joints;
铝锂合金钎焊接头断口组织与性能
Effects of Ni on the Performance of Sn2.5Ag0.7Cu0.1RE Solder Alloy and Its Solder Joints;
Ni对SnAgCuRE钎料及其钎焊接头性能的影响
Research status of ceramics/metal brazing joint strength;
陶瓷/金属钎焊接头强度研究现状
The strength,microstructure,interface combine mechanism of brazing joint with electrolytic composite plating Ni-Ti ceramic and metal was analyzed and discussed by SEM,EDX and X-ray.
用扫描电子显微镜、能谱仪及X射线衍射仪分析和讨论了复合电镀Ni-Ti陶瓷与金属钎焊接头的强度、微观结构和其界面结合机制。
The mechanical property and microstructure of vacuum brazing joint of LF21 aluminum alloy after addition Ni to Al-Si Cu base brazing flux.
结果表明,采用添加Ni元素的真空钎料,可提高钎焊接头的剪切强度,其机制在于Ni元素能够改善LF21铝合金真空钎焊接头焊缝及其基体组织的分布。
Now, we propose that chisel bit is renewed with more advantageous composite cutter bit gradually.
现在，我们建议用更具优势的复合片齿钎头逐步更新一字形钎头。
drill(ing) head
钻头; 主轴头; 钻床床头箱; 钻削动力头;钻头头部, 钎头
Carbide detachable bit for rock drilling
GB/T6480-1994凿岩用硬质合金钎头
Bonding process of pure copper with amorphous Cu-P interlayer
非晶Cu-P钎料钎焊接头形成过程
Phase Constitution of Soldering Seam and Mechanical Properties of Zn Matrix Filler Metal Soldering Magnesium Alloy AZ31B Joint
Zn基钎料钎焊镁合金AZ31B接头的钎缝物相及力学性能
Research on the Properties and the Interfacial Reactions of Sn-Zn-Cu(Ni) Lead-free Solders;
Sn-Zn-Cu（Ni）无铅钎料及其钎焊接头界面反应研究
Effect of Cr on Property of Stainless Steel Joint Brazed with Series Ni-P Filler Metal
Cr对Ni-P系钎料钎焊不锈钢接头性能的影响
Microstructure and Mechanical Property of Joint by Amorphous Fillers
非晶镍基钎料钎焊接头性能及微观组织的研究
Microstructure of Soldering Joint of Rapidly Solidified Sn2.5Ag0.7Cu Solder Alloy
快速凝固态Sn2.5Ag0.7Cu钎料钎焊接头的显微组织
Study on Soldering Procedure and Joint Properties of Down Quenching SnAgCu Solder Alloy
急冷型SnAgCu系钎料合金钎焊工艺及接头性能研究
bit cutting angle
钻冠的尖度，钻头磨角，钎子头刃角
Study on the Creep Behavior of SnAgCuRE Solder Joints;
SnAgCuRE钎焊接头蠕变行为的研究
Thermomechanical Fatigue Properties of Lead-Free Solder Joints;
无铅合金钎焊接头热疲劳性能的研究
Study on the Filler Metal for AZ31B Magnesium Alloy and Property of the Joint;
AZ31B镁合金钎料及接头性能研究
Structure of brazed joints of TA2/BT20 with Ag-28Cu filler metal
Ag-28Cu钎焊TA2/BT20接头组织分析
Study on micro-performance of resistance brazing joint of Ti and Cu
Ti-Cu电阻钎焊接头微观性能研究
Key Factors Effecting on Properties of Ti_3Al Braze Joints
影响Ti_3Al钎焊接头性能的关键因素探索
Affect of Different Solder on Intension of Cu/W Brazing Joint
不同焊料对Cu/W钎焊接头强度的影响