工程材料、铸、锻、焊接、金属切削考试题

12-Fe345678910111213141516912-Fe-Fe17C18192021222324251ABCD12ABCD3AABCCEDS4A1148B727C912D15385A20BQ235-AC45DT126ABCD7ABCD8ABCDAB940CrAMBTCSD10A5CrNiMoB5CrMnMoC3Cr2W8VDW18Cr4V11AAc13050BAc33050CAccm3050DAc112ABCD1340Cr40ACMsBCMsCCMsDCMs14AHT100BHT150CHT200DHT25015AT10B45C20CrMnTiD2016ABCD217AT12BCr12MoC65DT818A20CrBZGMn13CW18Cr4VDCr12MoV190Cr18Ni9ABCD2020CrAMABMFTCSDM21QT450-10ABCD22A1Cr13B1Cr17C1Cr18Ni9TiDT1223ABCD24ZSnSb11Cu6ABCD25QBe4QABCD26AQ235-ABQ390ECQBe4DQT600-0227ABCD28W18Cr4VWABCD29ABCD30AbBeCsD-131AAccm+3050BAc3+3050CAc1+3050DAc1Ac3332ABCD33AMBPCBDB34+AHBSBHRBCHRCDHV35A68%B74%C78%D64%123456C78910001011%1213414151.10mm50mm26000N45000N58mm7.75mmσsσbδ5ψ2.wC/%wC/%7706800.49000.777706806807707701.29003.512003.45200HBSδ=20%80HBSδ=50%4.abcdabcadcedfdceABBAα5abcedfAB/wB1005.6.T87.45220HBS22045+2005608.2045T129.5055HRC3010.T1211.4560T1212.45T12457004575045840T12700T12750T1290013.45840614.Q235-A4555Si2MnT8MnAW18Cr4V12Cr2Ni4A0Cr18Ni9Q390-EZGMn13-115.C6185056HRC2225HRCσb=760800MPaAk=3248J354520CrMnTi38CrMoAlAT12W18Cr4V0Cr18Ni9Ti16.17.18.3A212B50ZL203H68HPb59-1ZcuZn16Si4QSn4-3QBe4ZcuSn10Pb1ZSnSb11Cu619.10mmQ3454540CrT1220.456064HRC454550HRC205862HRC455662HRC10.4%0.77%1.2%273300abc4HRC50k50J/cm2454515451545155m=445HRC50554538CrMoAlA6Q235-A45T8T1220CrMnTi40Cr60Si2MnGCr159SiCrW18Cr4V5CrMnMo3Cr2W8VCr12MoV1Cr131Cr18Ni9TiHT200QT600-022A11ZGMn13-138CrMoAlA89123456789101112131415161718192.11%201ABCD21ABCD3A3.5%B4%C4.3%D5%4ABCD5ABCD610ABCD7ABCD8ABCD9ABCD10ABCD11ABCD12ABCD13ZL114ABCD14ABCD15ABCD12345678911101112131415ZG200-4002004001234ba12135A-A630[]c7148159161012345678910110.512013141516mm0.50.81718-19201ABCD2ABCD3ABCD4dZAdBdZCd2ZDd2Z517ABCD6ABCD7ABCD8AtBrCr/tD9Aa-aBb-bCc-cDd-d10ABCD12345678mm0.50.891018191327234562mmQ235-A782mmQ235-A7mm14mm92501.550102012345-6CO278910J427420MPa111213CE0.4%141Cr18Ni9Ti539MPaJ557151H08HABCD2ABCD3E5018-AlABCD4ABCD5H08Mn08ABCD621ABCDABC7ABCD8ABCD9ABCD10ABCD11ABCYD12ABCD13A1-2-3-4B1-4-3-2C1-2-4-3D1-4-2-314ABCD15TABCD12J507J5073456227891012mm453mm2323244ABCDEF3a3aT5620HT1501Cr132B50Q235-A789102045Q34540Cr12Cr5Mo12Fp34567891011121314L/D=410151617181920L/D101ABYT5CYT30DYG82YT1515AWCBTiCCCoD3ABCDAC425ABCD5CQ6140QABCD6CQ614040A400mmB40mmC400mmD40mm7L/D4ABBD8ABCD9ABCD1030A120B620C121D62111100200ABCD12ABCD13ABCD14ABCD15ABCD16AMM7132ABZL201CL6120DY3150E17ABCD2618ABCD19AapVcfBapfVcCfapVcDVcapf20ABCD1230456789D13mmD50mm27101+h-h0e0ehd23YG3YG8YT5YT30W18Cr4V4540Cr4285D=24.051mmd=19.984mml=85mmL=160mm1100S67HT200D=30mmn=503rpm45D=45mmn=173rpm40CrD=20mmn=45rpm8M1M2299n=100rpmVf1098113012D=1500mmd=600mmH=800mmn=8rpmf=0.25mm/rh=15mmap=5mmt13141545163117453013618420h7Ra0.8µmφ20h7Ra0.8mHRC4050197φ20H7Ra1.6µmφ50H7Ra0.8µmφ27H6Ra0.2µmΦ62J7Ra0.8µm20L×B500mm×300mmRa3.2µmL×B1250mm×300mmRa1.6µm45217255HBL×B25mm×10mmRa3.2µm321233