查询词典 weld metal
- 与 weld metal 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Harmer the welding seam to extend the weld metal, with which to counteract the welding stress caused by shrinking of welding seam.
采用锤击焊缝的方法使焊缝金属受到锻打延伸,抵消焊缝的收缩引起的焊接应力
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In this paper,through the adding of minute rare earth oxides La2O3 and CeO2 in the electrode covering,we study their effects on high temperature oxidation and corrosion resistance of the weld metal in the air and sulphureous gas.
本文通过在焊条药皮中分别添加微量稀土氧化物La2O3及CeO2,研究其对焊条熔敷金属在空气中和含硫气氛中抗高温氧化及腐蚀性能的影响。
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The results show that the addition of Zr increases the content of acicular ferrite and improves the microstructure of weld metal.
结果表明,锆的加入增加了焊缝金属中针状铁素体的含量,改善了焊缝金属的微观组织。
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The composition and cooling rate of the weld metal are the main influencing factors on acicular ferrite.
结果表明,焊缝金属化学成分和冷却速度是影响针状铁素体的主要因素,应力对焊缝金属相变的影响很小。
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The transformation conditions and natures of acicular ferrite in the weld metal of microalloy steel s were analyzed systematically.
系统地分析了微合金钢焊缝金属中针状铁素体组织的形成条件及特点,对夹杂物粒径、数量进行了统计分析,并阐述了针状铁素体的形核位置。
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Low carbon and low alloy steel ; weld metal ; microstructure ; acicular ferrite
低碳低合金钢;焊缝金属;显微组织;针状铁素体
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The results indicated that a high volumetric ratio of acicular ferrite in the simulated weld metal can be obtained in case the ratio of manganese and silicon is in a certain range.
结果表明,当Si、Mn比在一定的范围时,焊缝中将出现高比例的针状铁素体;且在大尺寸奥氏体晶粒中的非金属夹杂物上形核,高密度微小的夹杂物(1μm以下)的弥散分布对其形核更为有利。
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A special electrode J557GR with high toughness and ultralow diffusible hydrogen in weld metal was developed.
在此基础上研制了高韧性、超低氢及操作工艺性优良的、适用于屈服极限为400~450N/mm2级的低合金钢用J557GR高韧性焊条。
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In order to insure performance of intercrystalline corrosion resistant and hot cracking resistant, structure of surface layer of weld metal should be austenite and 4%~12% of ferrite.
为保证复层焊缝良好的耐腐蚀和抗裂性能,采用25-13型铬镍奥氏体焊条堆焊,复层的组织应为奥氏体和(4%~12%)的δ铁素体。
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Modern duplex steels are readily weldable but the procedure, especially maintaining the heat input range, must be strictly followed to obtain the correct weld metal structure.
双相钢容易焊接,但是为了获取适当的焊缝金属组织,必须严格遵循工艺,特别是保持热输入范围。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很,以良性病变为主。