Effects of Brazing Temperature on Vacuum Joint Microstructure and Microhardness of Inconel Superalloy 钎焊温度对镍基合金真空钎焊接头组织及硬度的影响
At the brazing temperature the alloy is fed into the joint and the torch is then moved to an adjacent area and the operation carried on progressively all around the joint. 达到铜焊温度后,熔合合金流进连接部位,此时,将吹焰器移到邻近区域,并环绕连接部件继续进行操作。
The effect of composition of Ag-Cu-Ti braze alloy to wettability to the Si_3N_4 and the effect of brazing temperature to the strength of Si_3N_4-steel joint was studied. 研究了合金型Ag-Cu-Ti钎料成分对Si3N4浸润性及钎接温度对该系钎料钎接Si3N4-钢铁的钎接强度的影响。
The influence of brazing temperature and time on the wettability is significant. 钎焊温度和时间对润湿性有重要影响。
This paper discusses the effect of brazing time, brazing temperature, brazing gap and diffusion treatment on the remelt temperature of the brazed joint. 文章讨论了钎焊时间、钎焊温度、钎焊间隙及焊后扩散处理对钎焊接头再熔化温度的影响。
Electron beam brazing temperature field PID control system 电子束钎焊温度场PID控制系统
While on the TiAl side, there is Al-Cu-Ti intermetallic compound at any brazing temperature; 而TiAl/B-Ag72Cu的结合面上在任何钎焊温度下均有Al-Cu-Ti金属间化合物产生。
Meanwhile, the joints were fractured in the C/ C composite/ filler metal interface and filler metal/ TC4 interface with high brazing temperature. 若钎焊温度较高,断裂主要发生在C/C复合材料/钎料界面和钎料/TC4界面处。
Although increasing the brazing temperature and holding time could improve the diffuse effect of Cu, the exorbitant brazing temperature would cause the reappearance of the θ phase. 提高钎焊温度和保温时间有利于提高Cu元素在Al基体中的扩散效果,但过高的钎焊温度又导致θ相的重新出现。
However, the brazing temperature had little influence on the liquefying time. 而钎焊温度对中间层的液化时间没有明显的影响。
In this paper, vacuum furnace brazing test was carried out using Ni-Cr alloys as brazing filler metals. Proper brazing temperature, heat preservation time and cooling speed helped to realize a strong bonding between Ti-coated diamond and steel substrate. 本文利用真空炉中钎焊的方法,采用Ni-Cr合金钎料,适当控制钎焊温度,保温时间和冷却速度,实现了镀钛金刚石与钢基体的高强度连接。
Influence of Brazing Temperature and Cladding Ratio of Filler Metals on Melting Erosion of Aluminum Alloy 钎焊温度和钎料包覆率对铝合金熔蚀的影响
Study on effect of brazing temperature on wear properties of brazed WC coatings 钎焊温度对WC金属布钎焊耐磨层性能研究
Using a high frequency induction furnace, the effects of brazing temperature ( T), brazing time ( t) and cooling speed ( v) on microstructure and property of white cast iron have been studied. 利用高频感应加热炉,通过改变钎焊温度、钎焊时间和冷却速度,研究了白口铸铁的组织和性能变化规律。
It shows that the constant-voltage control is an effective method of controlling brazing temperature for strip-welded pipes. 结果表明,恒电压控制是一种较为有效的卷焊管钎焊温度控制方法。
The results show that the joint strength first increases then descends with the increase of brazing time and brazing temperature, and the influence on joint strength is carried out by reaction layer thickness. 结果表明:随着钎焊时间的增加和钎焊温度的提高,接头弯曲强度都表现出先上升后下降的趋势;钎焊工艺参数对连接强度的影响主要是由于影响反应层厚度所致;
Brazing temperature and lasting hours have certain influences to wearing and tearing ratio. 钎焊温度和时间对磨耗比有一定的影响。
First, the basic theoretical formulas for the dynamic analysis are derived, then the effects of stock cross-section fluctuation and welding velocity undulation on brazing temperature under either constant-current control or constant-voltage control are compared and studied. 首先推导了动态分析的基本理论式,然后对比研究了在恒电流和恒电压两种不同的控制制度下管坯横截面积变化和速度波动对钎焊温度的影响。
The influence of brazing temperature and cladding ratio of filler metals on brazing quality of aluminum oil cooler for automobile engine was researched. The brazing weld microstructure was analyzed by optical metallographic microscope. 研究了汽车发动机铝油冷器钎焊温度和钎料包覆率对钎焊质量的影响,借助金相显微镜对钎缝组织进行了分析。
The Al-Cu eutectic brazing metal is made to braze pure aluminium substrate in vacuum. The diffusion phenomenon of Cu in pure aluminum bar under different brazing temperature and heat preservation time is investigated by means of SEM and EDS. 制备Al-Cu共晶合金钎料,用SEM和EDS研究不同钎焊温度和保温时间条件下,纯铝棒料基体对接真空钎焊接头Cu元素的扩散行为。
The influence of different brazing temperature and holding time on strength of brazing under pressure is consistent with brazing without pressure. 经加压处理的钎焊接头组织致密,接头强度随钎焊温度和钎焊保温时间的影响趋势与未加压时相一致。
With the increase of brazing temperature or brazing holding time and the decrease of joint clearance, the amount of solid solution increased and the amount of brittle compounds decreased, with stronger metallurgical chemical reaction between the filler and the base metals. 随钎焊温度的增加、钎焊保温时间的延长以及接头间隙的减小,钎焊接头中的固溶体含量增多,脆性化合物含量减少,钎料和母材金属能实现更强的冶金化学反应。
When brazing temperature exceeded 1020 ℃, chemical reaction layer and physical wetting layer appeared at both sides of filler metal. 钎焊温度超过1020℃,钎料两侧界面出现比较明显的化学反应层和物理润湿层。
Excessively high brazing temperature or long brazing holding time will produce brittle phase, but this effect on amorphous filler metals is much smaller. 过高的钎焊温度或过长的保温时间,均会使界面区出现脆性相,但非晶钎料这种影响要小得多。
As the brazing temperature increased, shear strength of the joints increased and then decreased. 在本研究的范围内,随着钎焊温度的升高,接头剪切强度表现为先升高后降低的趋势。
Based on Ag-Cu-Ti filler metal, the influence of brazing temperature, holding time, vacuum degree on joint organization performance is studied. 基于此钎料我们研究了钎焊温度、保温时间、真空度对接头组织性能的影响。
Setting brazing temperature for660 ℃ and speed of net belt to1200mm/ min with ANSYS finite element model of optimized process parameters as the theoretical basis, which also obtains to meet the requirements of brazing joint. 以.ANSYS有限元模型优化后得到的工艺参数为理论基础,将钎焊温度设定为660℃,网速改为1200mm/min,同样获得了符合要求的钎焊接头。
Shear strength of three kinds of brazing joints at different brazing temperature is tested. 测试了不同钎焊温度得到的这三种状态的接头剪切强度。
With the increase of brazing temperature and brazing holding time, the wettability of filler metals increase; but when the spread area of filler metals decreases due to P evaporation. 随着钎焊温度的上升及钎料保温时间的延长,钎料的润湿性提高;但过高的钎焊温度和过长的钎焊保温时间,由于P的挥发将导致钎料铺展面积的减小。