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- In this paper, ALGOL computer program of data reduction techniques, for fatigue crack growth test is described. 本文敘述了疲勞裂紋擴展速率試驗數據處理的ALGOL計算程序。
- The fatigue crack growth test results show that the FCGRs of 2024-T62 aluminium alloy are retarded significantly after LSP, which reveals that arresting crack by LSP is pratical. 疲勞裂紋擴展試驗結果表明:激光沖擊處理可以顯著(zhù)地降低疲勞裂紋擴展速率,作為止裂工藝是可行的。
- A great amount of practices showed that the present ALGOL computer program is a rather simple and convenient method which can be used satisfactorily in analysing the results fatigue crack growth tests. 大量的實(shí)踐表明:本文推薦的ALGOL計算程序,是處理分析疲勞裂紋擴展速率試驗數據的簡(jiǎn)便而有效的好方法。
- Many studies in the related area of stress corrosion or subcritical crack growth use simplified test systems. 許多有關(guān)應力腐蝕或亞臨界裂紋發(fā)展領(lǐng)域的研究使用了簡(jiǎn)化的試驗系統。
- In the tie girder boxes crack growth was detected near the crack tip. 在系桿箱型梁中裂紋尖端附近檢測到裂紋的擴展。
- The flaking do increases and undulates the fatigue crack growth rate. 鋼中的白點(diǎn)能增加疲勞擴展速率并使擴展速率發(fā)生波動(dòng)。
- The fatigue crack growth rate has been investigated for SS400 and its welded joint based on the ASTM E647-83 specification. In the test the compact tension (CT) specimens were used. 筆者參照美國材料試驗學(xué)會(huì )標準ASTME647 83的規定,采用緊湊拉伸CT試件對SS400鋼及其焊接接頭CT試件的疲勞裂紋擴展速率進(jìn)行了測試。
- The analytical investigation of nonlinear creep crack growth is in its infancy and much remains to be learned and done. 對于蠕變裂紋擴展的分析研究還是處于初期階段,還有許多事情有待于認識和完成。
- N. Shlyannikov, Z.B. Kuang, F.P. Yang (2004), Surface fatigue crack growth behavior, Russian journal Power Engineering Problems. 楊鳳鵬,林卓英(2004),表面裂紋疲勞擴展的試驗,北京科技大學(xué)學(xué)報.
- In Ohio growth test trees from northern states started growth earliest in the spring, developed most intense autumn color. 在俄亥俄的生長(cháng)試驗樹(shù)中,北方各州的春季生長(cháng)開(kāi)始最早,秋色表現得最強烈。
- The fatigue crack growth rate (FCGR) of 4130X steel in H2S environment is researched in this paper. 研究了4130X鋼在硫化氫(H2S)腐蝕介質(zhì)中的疲勞裂紋擴展速率da/dN。
- The growth test and bacteria infection fighting test were determined using chitin,N 6 biotin and Glucosamine hydrochloride as feed regulator. 目的:使用甲殼素、N-6生命素、氨基葡萄糖鹽酸鹽防治雞大腸埃希菌病和沙門(mén)菌病。
- SEM and Microzone Phase Structure Analysis (MPSA) help to describe the process of fatigue crack growth of the steel. 用SEM和微區相結構測試技術(shù)分析了中錳鑄鋼在疲勞裂紋擴展過(guò)程中的行為特點(diǎn)。
- The engineering background and technique of the software reliability growth test based on Duane model is introduced in this paper. 論述了基于杜安模型的軟件可靠性增長(cháng)試驗的工程背景及具體實(shí)施方法。
- The fatigue striations were readily observed in stable crack growth regions for both aluminum alloys. 另外,從兩款鋁-鎂合金在裂縫延伸的過(guò)程中,發(fā)現會(huì )有因為裂縫延伸產(chǎn)生裂縫尖端塑性鈍化而形成疲勞紋路。
- Methods:In the Cordyceps militaris strains growth test in culture medium,the growth rate of hyphae and the amount of conidiophores were studied. 方法:通過(guò)蛹蟲(chóng)草菌株在培養基上的生長(cháng)試驗,觀(guān)察其菌絲生長(cháng)速度及產(chǎn)分生孢子的數量等生長(cháng)情況。
- The fatigue crack growth rate is the core for predicting fatigue life by use of fatigue crack propagation(FCP) theory. 疲勞裂紋擴展率表達式是采用疲勞裂紋擴展理論預報疲勞壽命的核心。
- G .C .Sih,Mixed Mode Fatigue Crack Growth Prediction.Frac .Mech,Vol.13(3),439-451,(1980). 肖芳淳:復合型塑性區尺寸因子斷裂判據,力學(xué)與實(shí)踐,第一期,1981年。
- Abstract: This paper describes software reliability growth test in the field circumstance and emphasies the importance of collecting software reliability data. 摘要:在工程研制中,軟件可靠性的定量評價(jià)可以通過(guò)軟件可靠性增長(cháng)試驗來(lái)完成。介紹了在現場(chǎng)工作環(huán)境下如何進(jìn)行軟件可靠性增長(cháng)試驗,以及收集軟件可靠性數據的重要性。
- Fleck, N.A., “Influence of Stress State on Crack Growth Retardaion,” ASTM STP 924, Vol. 1, pp.157-183, 1988. 謝游麟,2003年3月,穿透式裂縫與表面裂縫修補之研究,國防中正理工學(xué)院,博士論文,第92頁(yè)。