機械設(shè)計外文翻譯——機械工程設(shè)計選材基礎(chǔ)知識

1、<p>　　A knowledge-based system for materials selection in mechanical engineering design</p><p><b>　　Abstract</b></p><p>　　This paper studies various work on the development of c

2、omputerized material selection system. The importance of Knowledge-based system (KBS) in the context of concurrent engineering is explained. The study of KBS in material selection in an engineering design process is desc

3、ribed. The development in materials databases, which sometimes serve as material selection packages, is also discussed. The use of KBS in material selection and the application in the domain of polymeric-based composite

4、are c</p><p>　　1. Introduction</p><p>　　Materials selection is a task normally carried out by design and materials engineers. Gutteridge and Water- man [1] described the aim of materials selecti

5、on as the identification of materials, which after appropriate manufacturing operations, will have the dimensions, shape and properties necessary for the product or component to demonstrate its required function at the l

6、owest cost. For the purpose of material selection, thousands of data would be needed to characterize all the grades of materia</p><p>　　2. The material database for materials selection</p><p>　　

7、2.1. Supporting data and rigorous logic for the hypothesis and obseruation</p><p>　　In recent years, attention is being made to the use of computer systems to store and process data regarding the properties

8、of materials. It enables the designers to achieve large capacity and rapid retrieval from a computer database to provide easy access to the materials data. According to Prasad [3], materials are the common elements enume

9、rating parts in a product realization process. Nowadays, design engineers normally rely on the materials that they are familiar with. However, when design re</p><p>　　White [4] emphasized the importance of c

10、omputer aided materials selection as books have several drawbacks as they are often outdated before reaching the bookshelves. It is very difficult to index them to find answers or to sort data in the manner of your choic

11、e.</p><p>　　A computerized system, which provides access to materials data, is not necessarily a materials selection system, although access to data is essential to facilitate selection.</p><p>

12、　　2.2. Critical review</p><p>　　This section reviews the development of computerized materials databases that enabled designers to select the materials in mechanical engineering design application. The devel

13、opment of material databases has been reported by Harmer [5] , Breuer et al [6-10], Baur [11-12] , Michaeli [13] , Ashby [14-15] and Cebon and Ashby [16-17] .</p><p>　　Harmer [5] reported that various databa

14、se systems have been developed for plastics, elastomers and rubbers such as the Cambridge Materials Selector (CMS) , CAMPUS, Selector II, Plaspec, CenBASE/Materials, Mat. DB, Plastics Design Library .Engineered Materials

15、 Abstracts, FUNDUS, Prospector Plus, Polymat, SPAO, Pro-Concept, Explorer, Platt’s Polymerscan, Standards Infodisk, Pira Abstracts, Packaging Science and Technology Abstracts, Chem-Intell and Weldasearch. </p><

16、;p>　　Computer-aided material pre-selection by uniform standards (CAMPUS) is a widely used materials database for plastics [6-10]. A product similar to that of CAMPUS is a database concerned with the selection of long

17、fiber reinforced plastics. This system is called FUNDUS and it allows the distribution of material information from the producer to the designer end-user [11-13]. As such, it is of interest to all who work with sheet mol

18、ding compound (SMC) , bulk molding compound ?.BMC or glass-mat therm</p><p>　　機械工程設(shè)計選材基礎(chǔ)知識</p><p><b>　　摘要</b></p><p>　　本文致力于研究對各種材料選擇的電腦化系統(tǒng)發(fā)展。并對以基礎(chǔ)知識的系統(tǒng)在并行工程環(huán)境（KBS）的重要性進

19、行了解釋。KBS的研究在材料選擇方面由一個工程設(shè)計過程來描述。材料數(shù)據(jù)庫的發(fā)展，和選材服務(wù)，也被討論到了。在材料選擇KBS和使用中的聚合物基復(fù)合材料領(lǐng)域的應(yīng)用是選材典型的例子。 </p><p>　　2001年由Elsevier科學(xué)有限公司出版。</p><p><b>　　1. 簡介</b></p><p>　　材料選擇通常是設(shè)計和

20、材料工程師一項任務(wù)。加特里奇和水人[1]中是這樣描述選擇材料的:經(jīng)過適當(dāng)?shù)闹圃鞓I(yè)務(wù)，將有尺寸，形狀和性能的產(chǎn)品或組件要以最低的成本展示其規(guī)定功能的材料選擇的目標(biāo)。對于選材的目的，成千上萬的數(shù)據(jù)將需要所有的材料的特性。許多選擇系統(tǒng)可以幫助設(shè)計工程師選擇最合適的材料。在最基本的層面上，設(shè)計工程師可利用材料性能數(shù)據(jù)手冊表。但是，數(shù)據(jù)表是不完整的，一旦公布，他們是難以更新。多德和范福 [2]描述了有關(guān)工程材料的資料，可分為兩大類，即數(shù)據(jù)和知識的

21、分歧。數(shù)據(jù)被定義為測量的結(jié)果，而信息代表之間的數(shù)據(jù)，在這方面的知識，這有助于對結(jié)果的認識源項目的連接。無論是計算機化的數(shù)據(jù)庫和材料選擇的KBS將在以下各節(jié)描述。</p><p>　　2.針對對材料選擇的材料數(shù)據(jù)庫</p><p>　　2.1支持這一假設(shè)的數(shù)據(jù)和嚴密的邏輯</p><p>　　近年來，關(guān)注正在面向計算機系統(tǒng)來存儲和處理數(shù)據(jù)的有關(guān)材料的性能。它使得設(shè)計者

22、能夠在實現(xiàn)大容量和快速的從一個計算機數(shù)據(jù)庫里檢索到資料數(shù)據(jù)。據(jù)普拉薩德[3]，材料是在列舉部分產(chǎn)品實現(xiàn)過程的共同要素。如今，設(shè)計工程師通常依賴于材料，他們所熟悉的。然而，當(dāng)超過設(shè)計要求這些材料的限制或超過材料特性的限制，并行工程團隊必須考慮替代材料。隨著直接在線訪問材料數(shù)據(jù)庫，并行工程團隊可以選擇的材料，重量更輕，更強，成本更低。假設(shè)，這種替代的影響可以分析或模擬，團隊可以輕而易舉地把一個可用進程的最佳選擇材料，節(jié)約每一個程序的材料，因

23、此，減少材料浪費是必須的。</p><p>　　白[4]強調(diào)了計算機選型輔助材料的重要性，圖書有幾個缺點，他們往往在到達的書架得時候已經(jīng)過時。這使得他們很難找到答案指標(biāo)進行排序或在您選擇的方式的數(shù)據(jù)。</p><p>　　電腦化系統(tǒng)，它提供了訪問數(shù)據(jù)的材料，并不一定是材料選擇系統(tǒng)，雖然對數(shù)據(jù)的訪問是必要的，以方便選擇。</p><p><b>　　2.2

24、嚴格審查</b></p><p>　　本節(jié)回顧了計算機化的材料數(shù)據(jù)庫，使設(shè)計人員選擇了機械工程設(shè)計中的應(yīng)用材料的發(fā)展。材料數(shù)據(jù)庫的發(fā)展哈默曾報道[5]，布魯爾等[6-10]，鮑爾[11-12]，Michaeli [13]，阿什比[14-15]和Cebon和Ashby [16-17] 。</p><p>　　哈默[5]報道，各種數(shù)據(jù)庫系統(tǒng)已用于塑料，橡膠等材料的選擇劍橋（CMS）

25、校園，選擇二，材料，橡膠墊發(fā)展。數(shù)據(jù)庫，塑料設(shè)計庫。文摘工程材料，眼底，勘探者另外，市產(chǎn)管辦，臨概念，探險家，普拉特的Polymerscan，標(biāo)準Infodisk，皮拉文摘，包裝科學(xué)與技術(shù)文摘，化學(xué)，網(wǎng)絡(luò)和搜索。</p><p>　　計算機輔助材料前通過統(tǒng)一標(biāo)準的選擇（CAMPUS）是一種廣泛使用的塑料材料數(shù)據(jù)庫[6-10]。一個產(chǎn)品類似CAMPUS，與長纖維選擇有關(guān)的數(shù)據(jù)庫增強塑料。這個系統(tǒng)被稱為眼底，它允許信

26、息從材料到設(shè)計生產(chǎn)銷售的最終用戶[11-13]。因此，它是關(guān)系到所有誰與片狀模塑料（SMC）的，散裝模塑料(BMC)或玻璃墊熱塑性（GMT）的材料由鮑爾報道[11-12]和Michaeli等。 [13]。校園及眼底有特點，它允許用戶查看任何列出的產(chǎn)品的所有屬性，打印任何產(chǎn)品搜索數(shù)據(jù)，滿足特定性能要求，選擇和查看比較性質(zhì)的產(chǎn)品數(shù)據(jù)庫，并按照升序排序的具體要求或降序。阿什比[14，15]和Cebon和Ashby [16-17]開發(fā)一個計算機