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- weld metal deposition 焊缝金属熔敷
- Sometimes all that is left is a skeleton casting with weld metal. 有时所有这些问题都遗留在铸件焊接金属框架里。
- The Effect of W and Ni on the Microstructure and Toughness of Weld Metal Deposited by Submerged Arc Welding for Joining of 15Mn V N Steel 合金元素W、Ni对15MnVN钢单道埋弧焊焊缝金属组织和韧性的影响
- A beam of light produced by a laser can weld metals. 激光器发生的光束可以焊接金属。
- In this thesis, a simple method via electroless metal deposition (EMD) has been reported. 本论文报导一种简单的方法，解决以固-液-气法合成矽奈米线的诸多缺点。
- The deposited ferritic weld metal shall not contact the austenitic or high-chromium steel cladding. 熔敷的铁素体焊缝金属不应与奥氏体或高铬钢复层接触。
- Addition of activating agent has no obvious effect on fracture toughness of weld metal. 添加活性剂对焊缝金属的断裂韧性没有明显作用。
- The principle, hardware system and software system of laser direct metal deposition(DMD) formation technology were introduced. 阐述了激光直接金属堆积成形技术的原理、硬件系统和软件系统。
- The weld metal is fine and close in structure resulting in goodlooking appearace. 焊缝细密美观；适合全位置焊接；
- The results show that the fly-ash cenosphere particles have good microwave absorption characteristics after the metal deposition. 无须使用贵金属钯等活化，成本大大降低。
- Fracture toughness of heat affected zone (HAZ) was between the base metal and weld metal. 焊接热影响区的断裂韧性介于母材和焊缝金属之间。
- D.McKeown, “Hydrogen and its Control in Weld Metal,” Metal Contruction, Vol. 17, No. 10, pp. 655-661, 1985. 张清辉，吴实平，洪波，焊接材料研制理论与技术，冶金工业出版社，第56-58页，民国91年。
- It is helpful to deepening our understanding of the interaction between the metal deposition and transport phenomena, and capable of providing a basi... 在此基础上，研究分析了该过程系统的传质和传热行为，并建立了相关的数学模型，为该过程实际应用提供依据。
- The microstructure of weld metal for MAW is blocky ferrite and a little pearlite, the microstructure in the heat-affected zone is new type bainite. 手工焊焊后不热处理焊缝组织主要为块状铁素体和少量珠光体，热影响区组织为新型贝氏体组织；
- The results showed that non-metal inclusions in weld metal are round in shape and droplet are chemical reaction products in droplet stage. 结果表明焊缝和熔滴中的非金属夹杂物呈圆球形,它们是熔滴反应区化学反应的产物,属“内生”性质;
- Its theory and technique is outlined briefly in the article with several application cases of metal deposit prospecting. 概述了其理论基础和方法技术,并列举了该方法在多个金属矿上的应用实例。
- The results of Charpy-V tests have displayed that the weld metal obtains the best toughness at a content of 0.006 wt.% of Zr. 夏比冲击韧性试验显示，锆含量在0.;006%25时焊缝金属韧性最好。
- Addition of activating agent had no obvious effect on fracture toughness of weld metal, but it improved the length of ductile crack propagation. 添加活性剂对焊缝金属的断裂韧性没有明显作用，但对延性裂纹扩展长度有所改善。
- When the oxygen content increases, the weld bead penetration and $ D/W increases sharply while the weld metal width decreases. 随着氧含量的增加, 深宽比和熔深急剧增加, 熔宽减小。
- It is also an important concentration area of rare metal resourc es, where the Jiajika rare metal deposit is the largest pegmatite-type Li-po lymetal deposit in China. 青藏高原东部是中国仅次于新疆阿尔泰的伟晶岩集中产出的地区之一,也是世界上重要的伟晶岩型稀有金属矿产资源产地,其中的甲基卡矿床是中国最大的伟晶岩型锂多金属矿床。
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