點熔接 的英文怎麼說
中文拼音 [diǎnróngjiē]
點熔接
英文
dotwelding-
Cordierite is a kind of superior heat - resistant material melting point can achieve 1400, and its thermal expansion coefficient is close to zero
Cordierite是一種優越的耐熱材料（熔點達1400 ）其熱膨脹系數接近於零，因此，可忍受急劇之溫差。Dark red flake, melting point 197 ` c, easily deliquescent, soluble in water poisonous, corrosive and flammable with the organic
呈紅色片狀物，熔點197 ` c ，極易溶解，易溶於水，有毒，腐蝕性強，與有機物接觸可引起燃燒。Some other defects in castings are well - defined cracks and hot tears that develop during solidification, under combination of stress concentration from uneven contraction and the metal ' s low strength at near - melting temperatures
鑄件內部的其它一些缺點是，凝固過程中，在不均勻收縮造成的應力集中和接近熔點溫度下金屬的低強度的綜合作用下，出現的清晰裂縫和熱撕裂。The result of the study testifies that the kindling temperature of lumps and scraps of pure magnesium is decided by their fusion temperatures ( the higher the fusing temperature, the higher the kindling temperature ), and influenced by the heating velocity and the pressure of oxygen in the atmosphere ( the faster the heating and the lower the pressure, the lower the kindling temperature obtained from the experiment )
研究結果表明，所測塊狀純鎂和鎂屑的燃點與其熔點有直接的對應關系（熔點高則燃點也相應增高） ，並受升溫速度、環境中氧的分壓的影響（升溫速度越快、氧的分壓越小，則所測燃點值越高） 。A new type of joint technique between short _ net copper pipe and soft _ cable connection board, castfusion welding, is introduced. the practice of more than ten years shows that this fusion welding connection has the superiority of higher reliability, simpler processing method, better economy benefit compared to the taper cone face - contacted connection
介紹了電石爐短網銅管與軟纜接線板之間的一種新型連接技術? ?澆鑄熔焊技術.經過10多年的運行，實踐證明短網銅管與鑄銅軟纜接線板的澆鑄熔焊連接，與傳統工藝採用的圓錐面接觸連接相比較，具有加工工藝簡單、運行可靠性高、經濟效益好等優點Preparation, structure and properties of hdpe ~ g ~ aa / mmt nanocomposites melt grafting reaction of hdpe with aa was performed in thermohaake rheomix and hdpe - g - aa with high grafting degree and high grafting efficiency was prepared. the change of torque indicated that the graft copolymerization was existed during melt compounding. the extent of grafting was analyzed by ftir and element analysis
在hdpe中只加過氧化二異丙苯（ dcp ）時，由於發生交聯反應而使平衡扭矩明顯增加，熔點和結晶度降低，加入aa后， aa與hdpe的接枝和hdpe自身的交聯並存，前者對後者有抑制作用，從而使扭矩下降，熔點和結晶度部分恢復。Laminate knnen punktgenau zum schmelzen gebracht werden, ein folienverbund hergestellt oder montagekomponenten miteinander verschweit werden
將薄片加熱至接近熔點，生產出粘連薄片，或將裝配部件焊接在一起。The characteristics : the unit is composed of high voltage parallel capacitor, serial reactor, switch ( disconnector, grounding switch, breaker etc. ), lightning arrestor, fuse, discharging coil, current transformer, insulator, busbar and steel bracket, includes two kinds of structure : frame type and cabinet type
產品特點：裝置由高壓並聯電容器、串聯電抗器、開關（隔離開關、接地開關、斷路器等） 、避雷器、熔斷器、放電線圈、電流互感器、絕緣子、母排和鋼架組成，裝置有框架和櫃式兩種結構。But there are some technical difficults for the welding of aluminium alloy such as some broken bits being easily found, a large welding distortion can happen easily, hard to distinguish the difference between the solid metal and liquid metal colour, hard to control the temperature, a lot of air holes can be seen in the welding line and so on
但是鋁合金熔化焊時的技術難點在於：焊接時易引起夾渣，焊接變形大，金屬的固態和液態的色澤不容易區別，焊接操作時控制溫度困難，容易產生氣孔等等。如果焊前清理工作不是很好，檢測氣孔往往超標。It has mang virtues such as weld moulding beauty, weld quanlity credibility and so on, espcially it can conquer not weld fully, not fusion and so forth fatal vice
它具有焊縫成型美觀、焊接質量可靠等優點，特別是對克服常規焊接方法中的未焊透、未熔合等危險性缺陷具有重要意義。Friction stir welding process can improve mechanical properties as well as decrease distortion and residual stress
採用攪拌摩擦焊連接鎂合金可以避免熔焊時產生的焊接缺陷，且具有焊后變形小、殘余應力小等優點。Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead
通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點，發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下，通過調節焊接迴路中的電感量和電源電壓，可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行，並且熄弧時間最短時，短路過渡頻率最高，在這種情況下，飛濺小，焊道成型好，焊接過程穩定The high vacuum encapsulation of field emission display was realized with low - melting - glass encapsulation technology and high - temperature sintering process
摘要通過採用低熔點玻璃封接技術和高溫燒結工藝，實現了穩定可靠的場致發射平板顯示器高真空封裝。Tungsten and graphite, which have high melting point, can be used as thermal resistance materials, while copper and copper alloys, which have high thermal conductivity, can be used as cooling material
鎢、石墨均具有高熔點，可作為耐高溫材料;銅合金具有良好的導熱性，可作為冷卻材料。本文對w與cu合金tlp連接及石墨表面鈦金屬化進行了研究。It is believed that the slurry making method using electromagnetic stirring which is contactless stir ring will be suitable for high melting point iron and steel material
筆者認為電磁攪拌制備漿料方法中的攪拌是無接觸攪拌，更適用於高熔點鋼鐵材料。But the melting point of zinc is about 420 a nd it ' s vaporating point is 906
但鋅的熔點約為420 ，揮發溫度為906 ，不利於焊接。Friction stir welding ( fsw ) is a solid - phase welding operated under the melting point of workpiece materials ; it ' s a technology which uses an anti - friction tool to join the sheet or shaped materials in rotary circs, and can be used in the welding of aluminum, magnesium and copper and has good welding quality
摘要摩擦攪拌焊（ fsw ）是在低於工件材料熔點情況下操作的固相焊接，是在旋轉情況下通過一種耐磨工具將板材或型材材料連接的工藝，可用於鋁、鎂、銅等的焊接，焊接質量優良。Due to two work states - - - arc burning and short current - - - existed in welding process of consumable electrode welding, and different control objectives in these two states, two close - loop feedbacks are designed in the control system : welding voltage feedback and welding current change rate feedback
根據熔化極co2焊機具有燃弧和短路兩種工作狀態，且兩種狀態下控制目標不同的特點，在控制系統中設計了雙閉環反饋：焊接電壓反饋及焊接電流變化率di / dt反饋。Study on the sealing glass of lower melting point in system li2o - zno - sio
2系結晶型低熔點封接玻璃的研究As an important branch of rapid prototyping ( rp ), direct laser metal sintering ( dlms ) is used for manufacturing metal parts by scanning metal powder based on the process of selective laser sintering ( sls )
直接激光金屬燒結技術基於選擇性激光燒結快速成形工藝機制，採用粉末逐點熔化的掃描方式，對金屬粉末材料進行直接激光燒結成形制備金屬零件。分享友人