鋼的含碳量 的英文怎麼說
中文拼音 [gāngdehántànliáng]
鋼的含碳量
英文
temper-
The advantage of using silicon low carbon steel
硅含量對電器用的低碳鋼片的最大好處The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。Influence of ti content on austenite grain size and grain coarsening temperature in medium - carbon boron steel
鈦含量對中碳硼鋼奧氏體晶粒度及晶粒粗化溫度的影響But steel mills spewing particulates into the air and sucking electricity from china ' s coal - fired power plants account for a big chunk of the country ' s surging emissions of sulfur dioxide and carbon dioxide
但是,煉鋼廠向空氣中排放的粉塵顆粒和中國火力發電站排放的廢氣中含有大量的二氧化硫和二氧化碳等廢棄物,這也是中國主要的空氣污染源。Chemical analysis of ferrous materials - determination of total carbon in steels and irons - gravimetric method after combustion in a stream of oxygen
黑色金屬材料的化學分析.鋼鐵中碳總含量的測定.在氧氣流中燃燒后的重力測定法Powder metallurgy. sintered steels and alloys excluding hardmetals. determination of total carbon and non - combined carbon contents
粉末燒結.除硬質合金以外的燒結鋼和合金鋼.總碳量和非化合碳含量的測定As the results, there are distinct hybrid effect between the steel fibre and kevlar fibre, carton fibre and aluminum silicate fiber, which is important to the friction coefficient. the carton fibre and kevlar fibre also have big influence to the friction coefficient for their good characters. the wood fibre has the same character as the carton fibre in the high temperature, being a kind of excellent filler y - 3 filler helps to improve the friction stability and wear - resistance of the friction material by increasing its content
結果表明,鋼纖維與芳綸纖維、碳纖維與硅酸鋁纖維之間有明顯的混雜效應,對摩擦系數起著十分重要的作用,碳纖維、芳綸纖維自身由於其良好的特性,對摩擦系數也有較大的影響,木纖維在高溫時碳化,起到與碳纖維類似的作用, y - 3填料是一種優良的填料,它的含量增加可以提高摩擦系數的穩定性和耐磨性能。The wax is provided with appropriate isomerization alkane content and reasonable carbon number distribution, and also with wonderful adhesion that it can keep fine protective function for a long time with a wider centigrade arrange, which can be used on manufacturing semi or all - steel radial tire, diagonal tire and other rubber substances, especially being fit for radial tire
該防護蠟具有適宜的異構烷烴含量和合理的碳數分佈,並具有極好的附著性,可以在較寬的溫度范圍內長期保持良好的防護性能,可用於半鋼和全鋼子午線輪胎、斜交輪胎及其它橡膠製品,尤其適用於子午線輪胎。Experiment indicate membrane can hinder course that corrode well in advance, carbon in contain steel few quantity lose behind the membrane in advance also, reduce the consumption of the pharmaceutical of losing slowly like this, economize resources
實驗還表明預膜可以很好地阻礙腐蝕的過程,預膜后的碳鋼在含有很少量緩蝕劑的體系中就能較好地防止腐蝕,這樣就減少了緩蝕劑的用量,節約了資源。Influence of converter steel production on co2 content in the air of oxygen production stations
煉鋼轉爐生產對氧氣站區空氣中二氧化碳含量的影響The effects of the tested condition, e. g. environment humidity, drying temperature, dew point of shielding gas, etc, on diffusible hydrogen content of the domestic electrodes for welding mild and low alloy steels is analyzed and compared with that of the foreign electrodes
摘要採用水銀法研究了環境濕度、烘乾溫度、保護氣體露點等測試條件對焊縫擴散氫含量的影響,分析了我國碳鋼及低合金鋼焊條中的擴散氫含量,並且與國外焊條的擴散氫含量進行了對比。The more carbon the steel contains, the harder it becomes
鋼的含碳量越大,鋼就越硬。Because the carbon content of steel largely determine its usefulness for specific application
因為鋼的含碳量在很大程度上決定了鋼在具體應用時的范圍。Because the carbon content of steel largely determines its usefulness for specific application
因為鋼的含碳量在很大程度上決定了鋼在具體應用時的范圍。The following results are achieved : ( 1 ) in accordance with the empirical electron theory of solids and molecules, considering the number of covalent bond pairs on the strongest bond in a segregation structure na, the elements for matrix - strengthening can be chosen. ( 2 ) on the basis of the available phase - equilibrium thermodynamics calculation of alloy system and phase diagrams, which have been worked out, the contents of alloy elements can be identified with reference to the types, quantity and phase - transformation of carbides. ( 3 ) both the values relating to toughness ( including bending strength, yield strength, impact value of unnotched samples ) and hardness of new dm9 die steel are higher than those of crl2mov die steel
結果得出: ( 1 )根據固體與分子經驗電子理論,利用偏聚結構單元的最強共價鍵上的共用電子對數n _ a ,可以選擇工模具鋼基體相的強化元素; ( 2 )根據合金系相平衡熱力學計算及已有的相圖,可以碳化物類型、數量及其相變確定合金元素含量; ( 3 )新型dm9鋼在強韌性(抗彎強度、屈服強度、無缺口沖擊值)和硬度方面均高於cr12mov鋼; ( 4 )以dm9鋼與6crw2si 、 7cr2wmovsi ( dm7 ) 、 h13和cr12mov四種模具鋼的實驗比較,進一步驗證了上述冷作模具鋼合金設計方案是合適的。This low carbon content in cast steel does not allow the carbon to form as free graphite resulting in a laminate type of structure
鑄鋼中的低含碳量使得作為游離石墨存在的碳不會形成結構薄片。Evaluation of uncertainty in the measurement of carbon content in steel by infrared absorption method
紅外吸收法測定鋼鐵中碳含量的測量不確定度評定Steel and iron - determination of total carbon content - infrared absorption method after combustion in an induction furnace
鋼鐵.總含碳量的測定.感應爐燃燒紅外線吸收法So cr30mo has good corrosion - abrasion resistance in phosphoric acid slurry. based on the analyses of microstructure, mechanical properties, corrosion - abrasion resistances and fracture of cast ferritic stainless steel cr30mo with various carbon content, it can be affirmed that high carbon is advantage to increase steel hardness, but disadvantage to suppress brittleness and increase corrosion - abrasion resistance
對不同含碳量的鐵素體不銹鋼cr30mo的組織結構、力學性能、磨蝕性能和斷口形貌的分析后認為,碳含量增大,對鋼的硬度提高有利,但對鋼的韌性、耐磨蝕性很不利。Chemical analysis of ferrous materials. determination of total carbon in steels and irons. gravimetric method after combustion in a stream of oxygen
黑色金屬材料的化學分析.鋼和鐵中總含碳量的測定.在氧氣流中燃燒后的重量測定法分享友人