本文關(guān)鍵詞：42CrMo鋼等離子氮化和水射流噴丸復(fù)合處理　出處：《中國表面工程》2016年06期 　論文類型：期刊論文

  更多相關(guān)文章： CrMo鋼 等離子氮化 水射流噴丸 復(fù)合處理 表面完整性

【摘要】：利用真空脈沖等離子氮化技術(shù),探究等離子氮化處理的最佳工藝參數(shù);而后利用高壓水射流噴丸技術(shù)研究了氮化前進行水射流噴丸預(yù)處理對氮化層的組織和性能的影響。采用光學(xué)顯微鏡、掃描電鏡、X射線衍射儀等對氮化層的顯微組織、形貌、含氮量、相成分進行檢測和分析,采用XRD應(yīng)力測定儀,表面粗糙度儀,顯微硬度儀對滲氮層表面完整性進行了分析。結(jié)果表明:等離子氮化工藝最佳溫度為530~540℃,等離子氮化后表面完整性(表面殘余應(yīng)力,粗糙度,表層硬度梯度,滲層形貌)得到改善。而經(jīng)過復(fù)合處理使γ'相衍射強度增強,氮化層均勻,滲層厚度增加超過100μm,進一步改善了等離子滲氮層質(zhì)量和性能。
[Abstract]:Using vacuum pulse plasma nitriding technology to explore the best process parameters of plasma nitriding treatment; Then the effect of water jet shot peening pretreatment before nitriding on the microstructure and properties of nitride layer was studied by means of high pressure water jet shot peening technique. Optical microscope and scanning electron microscope were used. The microstructure, morphology, nitrogen content and phase composition of the nitride layer were examined and analyzed by X-ray diffractometer. The XRD stress tester and the surface roughness instrument were used to detect and analyze the microstructure, morphology, nitrogen content and phase composition of the nitride layer. The surface integrity of nitriding layer was analyzed by microhardness instrument. The results showed that the optimum temperature of plasma nitriding process was 530 ~ 540 鈩，

本文編號：1427067