生坯密度 的英文怎麼說
中文拼音 [shēngpīmìdù]
生坯密度
英文
green density-
The expansion and dehiscence behavior during the vacuum reactive sintering below 660 of compact ti / al composite powders was experimentally investigated, and the reasons of expansion and dehiscence were theoretically analyzed. the method of low temperature reactive sintering was generalized, and the experiment testified the method effective. the rule of the expansion of the billets was generalized from the result of density of the billets
低溫反應燒結工藝:研究了高能球磨ti / al復合粉體在溫度低於660下真空無壓反應燒結過程中的膨脹和開裂行為，分析了產生膨脹和開裂的主要原因;並提出了能夠有效預防坯料開裂的方法;通過測定坯料在低溫燒結后的密度，總結了其體積膨脹的規律;通過x射線衍射技術分析了隨球磨時間不同，金屬間化合物的生成情況。Bearings roller bearings and other components. bearing ring precision rolling production line ; a high - precision, super efficient grinding automatic production line ; bearing assembly line ; signal processing equipment ; blank processing equipment ; crowning roller grinder ; end - grinder ; coordinate precision grinder ;, cylindrical grinder ; surface grinder ; spherical roller processing equipment ; raceway grinder ; heat treatment ; needle processing equipment ; polishing processing equipment ; roller - seiki ; rolling auto - sorting machine parts bearing hardness sorting machine bearing cleaning equipment ; contact angle measuring instrument ; contour meter ; bearing life experimental device ; bearing packaging equipment ; roundness instrument ; dynamic vibration noise analyzer ; noise vibration test equipment ; printing machine measuring instrument ; roughness tester ; scanning electron microscope ; finish detector ; inverter ; spindle, wheel, whetstone and other grinding materials
軸承套圈精密輾擴生產線高精高效磨超自動生產線軸承自動裝配線球加工設備毛坯加工設備凸度滾子磨床雙端面磨床高精度坐標磨床內外圓磨床平面磨床球面滾子加工設備溝道磨床熱處理生產滾針加工設備光飾加工設備滾道超精機滾動體自動分選機軸承零件硬度選別機軸承清洗設備角接觸測量儀輪廓測量儀軸承壽命實驗裝置軸承包裝設備圓度儀振動噪音動態分析儀振動噪音測試裝置印字機加工測量儀粗糙度測試儀掃描電子顯微鏡光潔度檢測儀變頻器電主軸砂輪油石和其他研磨材料The results show that more green density causes more densification but less linear shrinkage and higher burnout temperature causes more densification but less densification rate
發現生坯密度越大，排蠟后絕緣子線收縮越小，緻密化程度大大提高；隨排蠟溫度升高，絕緣子緻密化程度增大，緻密化速率減小。To insure more densification but deformation of glass beads, the green density should be increased, and the burnout temperature of binder should be below the toplimit of transformation temperature
為保證絕緣子獲得較高緻密度而不變形，應盡量提高生坯密度，溫度同時排蠟應低於該種玻璃的轉變溫度上限。The densification of glass bead was studied with different green densities at different temperature to burn out the binde
摘要用不同密度的玻璃絕緣子生坯，在不同溫度下排蠟，研究了玻璃絕緣子的緻密化。The relative density of the powder flan was well controlled by design of the press process. the property of the flan was good
本文通過壓制工藝的設計，有效的控制了mo - cu粉末生坯的壓制密度，得到了質量良好、相對密度符合預先設計要求的mo - cu粉末壓制生坯。Sintering speed increased greatly with the help of great quantity of heat of the molten iron, the great quantity of heat sent out from the carbonizing reaction and a little quantity of liquid, this sintering type is an instantaneous sintering, the sintering compacting can carry completely in a few minutes, the degree of sintering compacting is very high. ( 6 ) the vc - fe surface composite has high rigidity, it ' s rigidity exceeds 60hrc, under condition of dry sliding friction and overloading
鑄造燒結時，過熱鐵水的巨大熱流密度沖擊、粉料壓坯中的碳化反應的放熱以及壓坯中少量液相的產生使壓坯的燒結速度大大提高，此時屬瞬間液相燒結，在十幾分鐘內燒結過程即可完成，可達到很高的緻密化程度。 （ 6 ）鑄態下vc一fe表面復合材料具有很高的硬度，其鑄態硬度） 60hrc 。The jiexing brand guide rail of elevator has been praised as the customer - satisfied product for 12 years, raw elevator guide rails in shangsan brand is the trust the products in the whole country and has international reputation. steel flat and tract steel are the special - purpose products that the country appoints, aluminum material in xinguan brand was honored the golden prize of china s fourth building decoration material exhibition. the zinc - plated steel colored coating board of electricity in runfa brand is jiangsu province famous brand product, which has been honored as provincial torch program project. the anti - fingerprint board in runfa brand has replaced imported products, and has been the major material of domestic electrical home appliances and automobile. various types of yarns and threads in runfa brand have been listed into the products that are exempt from inspection to export by users
集團開發生產的「捷星」電扶梯導軌，連續十二年被評為全國用戶滿意產品生產「上三牌」電梯導軌毛坯是全國信得過產品，具有國際信譽，球扁鋼，履帶鋼是國家定點專用產品「鑫冠」牌鋁型材榮獲第四屆全國建築裝飾博覽會金獎「潤發」牌各類紗線被列為用戶免檢產品，成為國內家電行業和汽車行業的主材料製造的8000噸級裝有衛星導航系統的集裝箱輪，受到了國際船商的高度好評少無切削精密冷壓鑄造件，港口機械，汽車型材高低壓成套電器等產品，技術含量高，新品系列不斷搶占市場。The process of the liquid phase sinter was studied, the study showed that the mo - cu sinter could gain 95 % - 97 % relative density when the relative density of the flan was 70 % - 80 %, the sinter temperature was 1100 - 1200, the sinter time was 80min - 100min and the sinter atmosphere was hydrogen
本文通過對mo - cu粉末生坯的燒結工藝研究得出，粉末生坯相對密度為70 80 ，燒結溫度為1100 1200 、等溫時間為80 120min 、氫氣保護氣氛下，可制備出具有高緻密度的mo - cu粉末燒結體。The technique can avoid produce ti / al chemical compound in high temperature. the chemical compound would increase the difficulty of pressing. the research on vacuum degassing and temperature of pressing can acquire the ideal composite powders of highly
對ti / al復合粉進行真空脫氣及低溫熱壓制可以降低坯料中空氣含量並提高粉末顆粒的界面結合強度，同時避免高溫下生成tial基化合物增加緻密難度，對真空脫氣及壓制溫度進行研究，獲得理想的緻密度極高的復合粉末。The speed became fast at the temperature 1050. the reaction could carry completely when billets was kept in vacuum tube for 3 hours " at 1050 temperature, under the striking of great quantity of heat when the molten iron poured into the mold, the reaction was blazed rapidly and continued at a high speed. the diffusible speed of v and c was very fast because the billet was heated over 1300 in a moment, so the reaction ca n complete in a few minutes
（ 5 ）碳化反應v + c vc在900左右開始發生，此時是固相反應，反應速度較慢，反應不能進行完全，隨溫度升高，該碳化反應的速度加快，在1050保溫3小時可以進行完全，在鑄造燒結時在過熱鐵水的巨大熱流密度沖擊下， v + c vc立即被激發，並以很快的速度進行，由於坯塊被加熱到1300以上，此時c和v擴散速度很快，因此鑄造澆注后的幾四川大學碩士學位論文分鐘內反應可以進行完全。分享友人