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- Brittle fracture of the bolt occurred because of the combined effect of a massive metallurgical defect plus a coarse mixed microstructure (bainite and martensite). 螺栓脆断是由于严重的冶金缺陷及组织不良,导致材料性能恶化。
- The microstrueture of coat was compaction, and any metallurgical defects, such as porosity, slag inclusion and so on, were not found. 重熔层组织致密,未发现未熔合及夹渣等冶金缺陷。
- The reliable basis is furnished to decrease metallurgical defects,clean motten steel,and increase the qualified percentage of product. 为减少冶金缺陷、净化钢水、提高产品全格率,提供了依据。
- Keywords barb bolt;fracture surface;metallurgical defect;fatigue fracture; 地脚螺栓;断口;冶金缺陷;疲劳断裂;
- The results showed that the metallurgical defects such as inclusions,coarse crystal grains and asymmetry of the grain size were the main reason resulting in fracture of the steel rods during drawing. 结果表明,原材料中存在的夹杂物、晶粒粗大及混晶等冶金质量缺陷是盘条在拉拔过程中发生断裂的主要原因。
- The WHF method,maily,emphasizes,decentral,real,press,effect,ofdeforgings,it has better results in solving of the metallurgical defects such as ingot segregation,central porosity,hole shrinkage. WHF法主要强调锻件的中心压实效应,对于解决因冶炼带来的锭型偏析、中心疏松、缩孔等缺陷有较好的效果,而且针对性强、方便适用,因此被广泛应用于大、中型轴类件的生产。
- They detected no defect in the product. 他们没发现产品有任何问题。
- This was his fatal defect; he was of feeble will. 这是他致命的弱点,他意志薄弱。
- A defect of focus, such as blurring in an image. 像差焦点不准确而造成的物像模糊
- Near-sightedness is a visual defect. 近视是一个视力缺陷。
- A defect in the fuel lines prevented the missile from blasting off. 燃料管路上的一个缺陷妨碍了导弹的发射。
- The quenching crack was mainly caused by the metallurgic defects all well as well as the unreasonable structural design and improper machinework. 结果表明,钢板存在的治金缺陷以及不合理的机加工和结构设计,是导致其淬火开裂的根本原因。
- In other cases, water was in excess, and fire in defect. 至于其它的情形则是水分太多,火候不足。
- metallurgical defect 冶金缺陷
- Metallurgy defects of original material steel used by die is natural defects, which leads to short life cycle of die and invalidation in the early stage. 模具钢原材料冶金缺陷是先天性不足,是导致模具寿命短和早期失效致命伤。
- One of the lorries dropped back with a mechanical defect. 一辆卡车因出故障而落在后面了。
- A defect in a legal document that can render it invalid. 破绽,失效可能导致其无效的法律文件的漏洞
- If it were not for this defect, I shall hire him at once. 如果不是因为这个缺点,我会马上雇用他。
- A defect of vision prevented him from focusing accurately. 视力上的缺陷使他不能准确对焦。
- All the mice in the study expressed the defect. 所有供研究的老鼠都证明了它们基因的缺陷