Imperial Palace Bronze Bronze casting from Chinese Imperial Palace collection.Dates back to1100-1000B.c PDF文件使用"pdfFactory Pro”试用版本创建wmm,fineprint.com,cn
Imperial Palace Bronze Bronze casting from Chinese Imperial Palace collection. Dates back to 1100-1000 B.C. PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn
Iron Age .From 1400 to 1200 B.C.iron became more important. .1200 B.C.is the start of the Iron Age .Iron was stronger that bronze. .Iron tools could maintain a sharp edge and therefore was superior in making weapons. PDF文件使用"pdfFactory Pro'”试用版本创建wm,fineprint.com,cn
Iron Age •From 1400 to 1200 B.C. iron became more important. •1200 B.C. is the start of the Iron Age. •Iron was stronger that bronze. •Iron tools could maintain a sharp edge and therefore was superior in making weapons. PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn
Engineered Materials .The discussion of metals starts our discussion of engineered materials. .These are materials that are man-made and designed or engineered for specific applications. PDF文件使用"pdfFactory Pro”试用版本创建ww,fineprint..com,cn
Engineered Materials •The discussion of metals starts our discussion of engineered materials. •These are materials that are man-made and designed or engineered for specific applications. PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn
4.1 Ferrous Metal PDF文件使用"pdfFactory Pro”试用版本创建ww,fineprint.com.cn
4.1 Ferrous Metal PDF 文件使用 "pdfFactory Pro" 试用版本创建 ÿwww.fineprint.com.cn
The earth crust implies the importance of ferrous metal High strength,machinability, alloying element Function provided by nonferrous metal: Corrosion resistance:Titanium,Brass Low density:Aluminum,Magnesium Strength at elevated temperature:Nickel PDF文件使用"pdfFactory Pro”试用版本创建ww.fineprint.com.cn
The earth crust implies the importance of ferrous metal High strength，machinability， alloying element Function provided by nonferrous metal: Corrosion resistance：Titanium, Brass Low density: Aluminum , Magnesium Strength at elevated temperature: Nickel PDF 文件使用 "pdfFactory Pro" 试用版本创建 ÿwww.fineprint.com.cn