cast hardness 中文意思是什麼
cast hardness
解釋
鑄態硬度-
The composite roll of high speed steel has the synthetical life of over ten times more than traditional high cr cast iron roll. now the research and production of the high speed steel for roll are very drastic. in this thesis, the microstructure, heat treatment and performance of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) are studied systematically by using metallograph, method of lattice, xrd, sem, eds and hardness
本文利用金相法（包括黑白金相和彩色金相） 、 x射線衍射（ xrd ） 、掃描電子顯微鏡（ sem ） 、能譜（ eds ）及洛氏硬度分析儀等手段，對復合軋輥用高速鋼fe - 2 c - 4 v - 4 mo - 5 cr - x w （其它部分如未作特殊註明均為質量分數）合金系的顯微組織、熱處理工藝及性能進行了系統地分析。 -
Abstract : the structure and the properties of the grinding ball made of the composite cast iron have been researched in this paper. the result indicates that added trace boron and a proper quantity copper to this kind of composite cast iron can increase its quench - hardening ability, and raise its hardness and impact toughness
文摘:研究了一種復合鑄鐵磨球的組織和性能，結果表明，化學成分和淬火工藝對這種復合鑄鐵磨球的組織和性能有很大影響，微量的硼和適量的銅可以明顯地提高磨球的淬透性，經過余熱淬火得到貝氏體或馬氏體基體組織，從而提高磨球的硬度和沖擊韌性。 -
The effect of compound casting technology and compound modification on the properties of high speed steel roll collar was studied. the results showed that compound high speed steel roll collar with high and even hardness and good bond between outer and inner layers could be gained when the modified colbalt free high speed steel in outer layer and nodular iron inner layer in connection with appropriate rotational speed of centrifugal machine, pertinent pouring interval between two kinds of the melt and moderate pouring temperature as well as surface induction heat treatment were chosen. it is indicated in industrial use that the service life of compound roll collar is higher by 5 times than that of high chromium cast iron collar
研究了離心復合鑄造工藝和復合變質處理對高速鋼輥環性能的影響，結果表明，選用變質高碳無鈷高速鋼作外層，用球鐵作內層，選擇合適的離心機轉速、兩種金屬熔液澆注間隔時間和澆注溫度，結合採用表面感應熱處理工藝，可獲得硬度高、均勻性好、內外層結合良好的高速鋼復合輥環，用於工業生產其使用壽命比高鉻鑄鐵輥環提高5倍以上。 -
It ' s the advantage of jmfc to apply the centrifugal casting technology to the small size of compound rolls, which characteristics are as follows : combining high hardness, anti - wear, impact and breakage resistance : spun cast the shell by proper charging of alloys and use high strength and impact ductility material as core
將離心澆鑄工藝用於小型復合軋輥的製造，是金環廠的優勢，採用該工藝的軋輥具有以下特點：兼得高硬度耐磨損與抗沖擊抗斷裂性能：按耐磨性和硬度要求，將合金科學配比，溶解澆鑄成輥身的工作層，再採用高強度抗沖擊的材料澆鑄輥頸和輥芯，冶金結合，兩者兼得。 -
The wearing resistance, microstructure, worn surface morphology and hardness change in wearing end - face and non - wearing end - face of cr - mn - cu alloy white cast iron were tested and analyzed
摘要對鉻錳銅合金白口鑄鐵的耐磨性、無磨損端面及磨損端面的微觀組織、磨損形貌及硬度進行了試驗和分析。 -
1 the rolls are made of chilled alloyed cast iron, their working surfaces are of high hardness and wear - resistant. the working temperature of the bored rolls is controllable by steam or cooling water that pass through them thus, to meet the requirements of milling process
1輥筒用合金冷硬鑄鐵製成工作表面具有較高的硬度，耐磨耐用。輥筒內腔可通如蒸汽或冷卻水以便調節輥筒的工作溫度，以滿足煉膠工藝的要求。 -
And the microstructure, the hardness and the wear resistance properties of complicated parts had also been studied and analyzed. the results showed that under the same experiment condition, the semi - solid flow and deformation properties of the composites increased with the increasing of the sic particles " volume fraction which below 12 %, that he composite reinforced with different volume fraction of sic particles were die - cast into complicated parts successfully, that sic particles dispersed even more uniformly in their complicated parts, and that he complicated parts " hardness was better than the composites "
結果表明，在sic顆粒體積含量低於12的情況下， sic顆粒含量越高，復合材料的成型性能越好； sic顆粒增強鋁基復合材料能夠用壓鑄的方法制備復雜壓鑄件； sic顆粒在壓鑄件中分佈更為均勻，且呈單顆粒；壓鑄件的硬度比復合材料鑄錠的硬度高； sic顆粒增強鋁基復合材料的壓鑄件耐磨性高於復合材料鑄錠。 -
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。 -
In view of the higher hardness of high cr - w white cast iron, a lot of experiments were carried out in relation to softening annealing process, and the microstructure transformation during annealing process was analysed
摘要針對高鉻鎢鑄鐵硬度高這一問題，對其軟化退化工藝進行試驗，並對高鉻鎢鑄鐵退火過程中組織轉變進行分析。
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