1) melting trace
熔痕
1.
The fire cause determination criterion is summarized on the basis of the metallographic tissue property of the melting trace.
建立用金相分析技术对镇流器火灾原因进行鉴别的方法，归结出依据其熔痕的金相组织特征进行火灾原因鉴别的判据，提出对镇流器火灾的预防措施。
2.
In this paper, the aluminum lead short circuit melting trace is the circumstance of fire scene, and the microcosmic shape topography of air pore in melting trace is studied with SEM.
模拟火灾现场条件,分别制备铝导线火灾前短路和火灾中短路痕迹,利用扫描电子显微镜对铝导线熔痕气孔的微观形貌进行观察和分析,发现铝导线的火灾前短路气孔内的晶体形态为胞状,且晶粒之间存在微孔和间隙,气孔内散落这大量的微晶,火灾中短路熔痕气孔内的晶体形态为柱状,晶粒之间连接紧密,但气孔内可能存在集中缩孔,气孔内可能有杂质痕迹存在,二者具有明显的差别。
2) melted bead and trace
熔珠熔痕
1.
The microstructure feature of the copper wire and the melted bead and trace in several condations of simulated test were analyzed in this paper.
用SEM观察分析了在各种模拟实验条件下铜导线及其熔珠熔痕的几种显微组织结构特征,结果表明:单股粗铜导线的火烧、二次短路熔珠熔痕与一次短路、过负荷、接触不良造成的熔珠熔痕其显微结构有明显不同,可为火灾原因的鉴定提供参考依据。
2.
The results show that it is certain that the fire disaster cause is the first short circuit when there are branch crystal and columnar crystal in the microstructure of aluminium wire melted bead and trace in the fire disaster.
用扫描电镜观察分析了各种实验室模拟火灾条件下铝导线及其熔珠熔痕的显微组织结构特征,并和火灾现场取样的组织结构相比较,结果表明:当火灾现场取样结果显微结构出现树枝晶和柱状晶时,能基本判定火灾原因为导线一次短路所致;但当取样结果显微结构仅主要出现大块再结晶体时,则需根据现场情况具体分析。
3) weld line
熔接痕
1.
Influences of Injection Process Parameters on Property of Weld Line of Injecton-molded Part;
工艺参数对注塑件熔接痕性能的影响
2.
Analysis and Countermeasure of Weld Line of Large Injection-moulded Product;
大型注塑制品熔接痕分析及解决对策
3.
Eliminate weld lines in automotive door handle;
汽车车门把手熔接痕的消除
4) melted mark caused by fire
火烧熔痕
5) weld lines
熔接痕
1.
In order to obtain the best gate location addition, the position of air bubbles and weld lines were forecasted.
预测可能存在的气泡、熔接痕的位置,确定最佳浇口位置,并在此基础上设计模具。
2.
In order to obtain the best gate location addition,the position of weld lines and the clamp force were forecasted.
预测可能存在的熔接痕位置及锁模力的大小,确定最佳浇口位置。
3.
A L9 experimental matrix design based on Taguchi method was conducted to reslove the defect of weld lines in fiber-reinforced PA66 injection molding.
针对注塑过程中纤维增强PA66制品出现的熔接痕缺陷,利用Taguchi方法设计了L9实验矩阵,分析了注塑压力、熔体温度、注射速率和保压压力等工艺因素对注塑件熔接痕拉伸强度的影响,预测了最大拉伸强度和最佳工艺条件,与实验结果具有很好的一致性。
6) weld mark
熔接痕
1.
Approach to avoid weld mark in large-scale plastic part;
大型塑件避免产生熔接痕的方法
2.
The control principle of valve-injection on weld marks is analyzed based on studying the forming mechanism of weld marks.
通过对注塑件熔接痕形成机理的研究,阐述阀式浇注技术对熔接痕的控制原理,以注射成型某平板为例,将其模具浇注系统的流道设计为热流道,并采用阀式浇注,采用CAE软件对充填过程进行模拟。
3.
The formation principle of weld mark in extrusion product was analyzed finely.
对挤出制品熔接痕形成的原理进行细致的分析,指出制品的熔接痕有“V形槽”及“弱连接”两种形式。
补充资料：熔接痕
分子式：
CAS号：
性质：又称熔接缝，熔接痕，汇流纹，汇合纹等，是在模塑制品表面，由两股或多股物料流在一起形成的条痕，是由于模塑或注塑时两股或多股料流在相遇的界面处未完全熔合所致。
CAS号：
性质：又称熔接缝，熔接痕，汇流纹，汇合纹等，是在模塑制品表面，由两股或多股物料流在一起形成的条痕，是由于模塑或注塑时两股或多股料流在相遇的界面处未完全熔合所致。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条