中文字幕亚洲综合久久2,久久91精品国产,国产成人午夜精品色老头,亚洲欧美一区二区激情

　　更多材料及技術(shù)問(wèn)題請(qǐng)聯(lián)系我們或咨詢?cè)诰€客服。Themicrohardness,microstructure,frictionandwearbehaviorofpre-hardenedplasticdiesteelsNAK80andS136werestudied.TheresultsshowthatthemicrostructureofNAK80steelconsistsoflathmartensiteandgranularbainite,whilethatofS136steelareferritematrixandfinecarbides,andthemicrohardnessis405.01±63HVand354.21HV±6.14HVrespectively.ThefrictioncoefficientsofNAK80andS136steeldecreasewiththeincreaseofload.At60N,thefrictioncoefficientsofNAK80andS136steelreachtheirlowestvalues(0.34and0.37).However,whentheloadincreasesto80N,thefrictioncoefficientincreases.Overall,thefrictioncoefficientofS136ishigherthanthatofNAK80.ThewearbehaviorofNAK80hashighloadsensitivityunderdifferentloadconditionswhileS136hasmorestablewearresistance.Atlowload,abrasivewearanddelaminationweararedominants136是模具鋼本身硬度是多少,andthewearresistanceofNAK80isbetterthanthatofS136.Athighload,adhesivewearandabrasiveweararedominant,andthewearresistanceofS136steelisbetterthanthatofNAK80.蘇州東锜公司主要經(jīng)營(yíng)冷作鋼，塑膠鋼和熱作模具鋼。未來(lái)將引進(jìn)人機(jī)一體化智能系統(tǒng)，實(shí)現(xiàn)各個(gè)生產(chǎn)環(huán)節(jié)的無(wú)縫對(duì)接，以滿足用戶個(gè)性化需求，為贏領(lǐng)的大規(guī)模個(gè)性化定制模式，培養(yǎng)創(chuàng)新型工業(yè)人才。公司在結(jié)合市場(chǎng)發(fā)展和客戶需求方面，不斷提高自身能力，開(kāi)發(fā)新鋼種、研發(fā)新工藝。

本文部分內(nèi)容來(lái)源于網(wǎng)絡(luò)，我們僅作為信息分享。本站僅提供信息存儲(chǔ)空間服務(wù)，不擁有所有權(quán)，不承擔(dān)相關(guān)法律責(zé)任。如發(fā)現(xiàn)本站有涉嫌抄襲侵權(quán)/違法違規(guī)的內(nèi)容，請(qǐng)發(fā)送郵件至tokaits@163.com舉報(bào)，一經(jīng)查實(shí)，本站將立刻刪除。