1) arc welding machine using a nonconsumable electrode
不熔化极弧焊机
2) stabilization
不熔化
1.
By means of oxidation themal gravity (TG) on new ribbon-shaped mesophase pitch-based fibers,its system of increasing temperature in thermal-oxidized stabilization process was estabilished.
通过分析 带形截面中间相沥青基纤维的氧化热失重图,确定其不熔化阶段升温制度。
2.
It is also found that the velocity of pitch stabilization process is increased.
研究了添加对甲苯磺酸对沥青不熔化处理的影响 ,试验发现对甲苯磺酸的加入促进了沥青的分解以及沥青与氧的结合 ,加速了沥青不熔化的过程。
3.
The oxidative stabilization of pitch spheres from coal tar and petroleum pitch, respectively, was studied by TGA (Thermal Gravimetric Analysis), DTG (Different Thermal Gravimetry) and DTA (Different Thermal Analysis).
结果表明:石油沥青球由于与氧气的反应活性较强,更难于不熔化;增加萘含量和提高原沥青的软化点有利于沥青球的不熔化。
3) Curing
不熔化
1.
Study on Curing of Polycarbosilane Fibers (III)—Air-Curing Mechanism;
聚碳硅烷纤维的不熔化处理研究(III)——不熔化机理的探讨
2.
Study on Curing of Polycarbosilane Fibers (I)Weight Gain and kinetics Calculation During Curing Reaction;
聚碳硅烷纤维不熔化处理的研究(Ⅰ)反应过程的增重及其动力学计算
3.
The influence of curing time at 190℃ on the weight gain, Si-H bond reaction degree, gel content, and oxygen content of PCS fiber was investigated.
以聚二甲基硅烷(PDMS)为原料,在高压釜内高温高压反应制备了聚碳硅烷(PCS)先驱体,经熔融纺丝制备了PCS纤维,研究了在190℃下不同不熔化时间对PCS纤维氧化增重、Si-H键反应程度、凝胶含量、氧含量及最终SiC纤维氧含量与性能的影响。
4) curing furnace
不熔化炉
1.
In the paper, two common types of heattreatment furnaces (vertical curing furnace and tunnel curing furnace) were studied as influence factors on the uniformity of polycarbosilane fibers.
讨论了陶瓷纤维不熔化处理中常用的两种热处理炉(垂直式不熔化炉和隧道窑式不熔化炉)对聚碳硅烷(PCS)纤维不熔化均匀性的影响。
5) Non-melt matter
不熔物
6) infusibility
不熔性
参考词条
补充资料:熔化极惰性气体保护焊
熔化极惰性气体保护焊
metal inert gas welding
ronghuaJ一duox一ngq}tl boohuhan熔件极惰性气体保护焊(m·‘a,‘n二‘g二半弓{户少甲.、_是利用金属焊丝作电极,以连续送遥的亨垄气竺材之间形成电弧加热金属,以惰碳床露矛杏弧和熔融的熔池的电弧,焊接方滋’裔百益焊 一,,.,「J‘,孟人、J O 实心焊丝 通保护气休/ 仃走方向、、/详终甘相导电嘴 ’一’~一~、~衫认龟J拍、、一飞体保护 母材一,翩 MIG焊示意图MIG焊金属熔滴过渡的形式主要采用喷射过渡,电弧燃烧稳定,无飞溅现象。与TIG焊相比,MIG焊电流可以大大提高,熔透深度增加。焊接过程为自动或半自动方式,适合于各种金属的中、厚板的焊接,主要用于易氧化的有色金属、稀有金属、不锈钢和高合金钢的焊接。 (田志凌)
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