hot fracture 中文意思是什麼
hot fracture
解釋
熱斷裂-
Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )
本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。 -
From studies of these characteristics of structures, palaeontology, drilling, well logging, seismic profile, salt chemistry and lacustrine sedimentary system, it is recognized that the new characteristics occur in of section pukou and in huaiyiri sag, and the huge thickness of salt rocks is formed by the crust salt materials upwelling along deep fracture in the form of hot bittern and entering lacustrine basin in this area
通過該區構造、古生物、鉆井、測井、地震、鹽巖化學及湖盆內沉積體系等特徵的研究，認為淮陰凹陷浦口組二段和三段的沉積構造有其特殊性，巨厚的鹽巖層是殼深部鹽類物質沿深大斷裂上涌以熱鹵水形式進入湖盆的結果。 -
Based on these experiments, it may be claimed that there is segregation of sn to grain boundaries in 0. 15 % c steel during cooling from a high solution treatment temperature. this segregation reduces grain boundary cohesion, which results in low hot ductility and intergranular fracture
通過試驗和計算得出: sn在0 . 1swt . % c鋼中發生非平衡晶界偏聚的臨界時間為1245左右，臨界冷卻速率大約為8 / s ，與試驗結果基本一致。 -
Toughening thermoset matrix composites with interlayered thermoplastic particles is an effective method to improve fracture toughness and impact resistance without sacrificing hot / wet properties. furthermore, transverse strength, fatigue resistance and solvent resistance can also be enhanced. drapability and tackness of interleaved prepreg is maintained as conventional level
對樹脂基體復合材料採取層間顆粒增韌是提高復合材料層壓板韌性、抗沖擊能力和抗分層能力的有效途徑，在保持原有復合材料濕熱性能的前提下，通過層間顆粒增韌，還可以改善垂直纖維方向的強度、抗疲勞性能以及耐溶劑性，並不影響原有的成型工藝。 -
The observation and analysis for the tensile fracture of hot rolled plate by sem and eds is a valid method to discover the influence of the inclusions in the plate on the elongation
摘要應用掃描電子顯微鏡及能譜儀對熱軋中板拉伸斷口進行形貌觀察和夾雜物類型分析，以探討熱軋中板中夾雜物對其伸長率的影響。 -
The constitutive equations were gained by regression analysis and some material constants were derived from that with the aid of om, x - ray, sem and tem, the deformation structure of the mid - strength weldable 1420aluminum - lithium alloy on different hot deformation conditions was studied and the soften mechanism was discussed. at the same time, the fracture behavior has been studied as an important part. the fracture mechanism of 1420 aluminum - lithium alloy was confirmed
結合金相顯微鏡、 x -射線衍射、掃描電鏡、透射電鏡等現代化的試驗手段，研究了中強可焊1420鋁鋰合金熱變形不同變形條件下的組織變化及軟化機制，分析了不同變形條件對合金材料組織變化的影響，確定了合金材料的軟化行為機理；同時，結合合金材料的熱變形高溫拉伸試驗，重點研究了材料的斷裂行為，分析了合金材料的斷裂現象，探討了合金材料的斷裂機理。 -
3, carry out detailed numerical simulation and analysis for heat extraction of deep - seated hdr based on the tengcong prefecture, reach the major variety rule of rock mass stress, temperature, fracture width depending on the heat extraction. ( 1 ) in the hot dry rock geotherraal energy extraction system, transportation of energy and flow of water arise mainly through the fracture, the lower temperature water attain the high temperature from the injection well to production well through conduction convection and take away the thermal from wall rock
3 、認真地對騰沖高溫巖體地熱開發進行了數值模擬計算和分析，得出了地熱開發過程中巖體應力、溫度以及裂縫寬度隨地熱提取的變化規律等重要結論： （ 1 ）在高溫巖體地熱開發系統中，能量的運移、輸送與水的流動主要通過裂縫面發生，注入的低溫水在流到生產井的過程中，發生傳導、對流、吸收圍巖熱量，達到升溫的目的。 -
( 7 ) in the hot dry rock geothermal energy extraction system, the fracture width widen gradually with the heat extraction, after the system start to operate, in a month the width change rapidly, the growth rate exceed 100 %, and then the change become even, until 3 year, the variety is very small, almost towards to stability
（ 7 ）在高溫巖體地熱開發中，其裂縫寬度是隨地熱提取而逐漸加寬的，在開始運行的一年內，寬度增長迅速，其增長率達到100 %以上，然後變得平緩，到3年後，變化很小，幾乎趨于穩定。 -
Analysis and countermeasure for fracture forms of rolls in hot rolling section steel
熱軋型鋼軋輥的斷裂行為分析及對策 -
Abstract : the structure, composition analysis and mechanical test of q235 hot - rolled strip showed that main season of fracture during forming and welding is high nitrogen, oxygen and inclusion content
文摘: q235鋼熱軋卷板在沖壓和焊接成形時出現開裂，對其進行化學分析、宏觀和微觀組織觀察及力學性能測試，結果表明：氮、氧及夾雜物的含量高是該鋼沖壓性和可焊性差的主要原因。 -
The flexural strength and fracture toughness of ti3sic2 material obtained by hot - pressing is 223mpa and 5. 1 mpa m1 / 2 respectively ; the mechanisms of grain bending, grain delamination, crack deflection inside the layered grain, crack deflection and branch, pull out grain are main energy absorbing mechanisms
~ 1ti _ 3sic _ 2材料的彎曲強度和斷裂韌性分別為223mpa和5 . 1mpa ? m ~ （ 1 / 2 ） 。主要能量吸收機制為：晶粒的彎曲、層間滑移，裂紋在層間擴展與偏轉，裂紋在晶粒間沿晶界擴展、分叉和晶粒的拔出。 -
Two different reinforcing methodologies are applied : modification of the overlay characteristics by adding chopped glass fibers to the hot mixture asphalt ( hma ) and reinforcing asphalt overlay with glass grids. theory of fracture mechanics ( fm ) is employed to determine crack growth rates for the suggested anti - cracking overlay systems. asphalt mixture designing tests, three point bending tests and fatigue crack propagation tests were carried out. the critical stress intensity factors kic are determined for plain and reinforced asphalt concrete. depending on the fatigue crack propagation, the crack growth rate is determined for each type of anti - cracking system and the cracking process is also analyzed. one of the significant points in this study is the attempt to give better understanding of the crack propagation for multilayer asphaltic overlay or what are suggested herein to be called composite structure anti - cracking overlay system. the results indicate that the reinforcing materials improve anti - cracking characteristics of the asphalt concrete. composite structure anti - cracking overlay gives a good solution for the reflective cracking phenomenon over old cracked pavements
利用2種不同的方法加筋瀝青罩面:在瀝青混合料中加入短切玻璃纖維改善瀝青混凝土的特性，採用玻璃格珊加筋瀝青混凝土.應用斷裂力學方法分析瀝青路面裂縫擴展機理.採用瀝青混合料設計試驗、三點彎曲試驗和疲勞裂縫擴展試驗，確定加筋瀝青混凝土的臨界應力強度因子kic ，測量每一種瀝青罩面抗裂系統的裂縫擴展速率.本研究的主要特點是提出復合型抗裂罩面系統，分析了多層加筋瀝青罩面裂縫擴展過程，推薦了若干瀝青路面抗裂系統.結果證明，加筋材料可以提高瀝青罩面的抗裂特性，復合型抗裂罩面系統能夠有效地阻止反射裂縫的擴展 -
Improper material composition and processing can cause earlier fracture failure and short life happened to the hot - forging dies
不恰當的材質及工藝導致熱鍛模具出現早期斷裂失效，失效形式不合理，壽命較低。 -
Test method of interlaminar fracture toughness of carbon fiber composite laminates in hot - wet environments part 2 : test method of mode interlaminar fracture toughness
碳纖維復合材料層合板濕熱環境下層間斷裂韌性試驗方法.第2部分:型層間斷裂韌性試驗方法 -
Test method of interlaminar fracture toughness of carbon fiber composite laminates in hot - wet environments part 1 : test method of mode interlaminar fracture toughness
碳纖維復合材料層合板濕熱環境下層間斷裂韌性試驗方法.第1部分:型層間斷裂韌性試驗方法
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