焊接熱循環(huán)曲線測試技術(shù)的研究進展

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摘 要:焊接熱循環(huán)曲線的測定一直是研究焊接接頭質(zhì)量的主要途徑,曲線本身的優(yōu)劣性直接影響研究者對組織的進一步研究。因此,本文結(jié)合了目前兩種方法中較為突出的幾種焊接熱循環(huán)曲線測量手段,總結(jié)了幾種焊接熱循環(huán)測量手段的優(yōu)缺點,并在此基礎(chǔ)上對將來焊接熱循環(huán)曲線測量發(fā)展方向進行了展望。
關(guān)鍵詞:焊接熱循環(huán) HAZ 直接測量法 間接測量法
Research progress on welding thermal cycle measurement
Kong Liyi Dong Wenxuan Yang Yuying Zhou Wenyan Zhang Wei
Abstract:The measurement of welding thermal cycle curve has always been the main way to study the quality of welded joints. The quality of the curve itself directly affects the further study of the organization. consequently, in this paper, the advantages of several welding thermal cycle measurement methods are summarized, and the development direction of welding thermal cycle measurement in the future is prospected based on the above two methods.
Key words:Welding thermal cycle; HAZ; Direct measurement method; Indirect measurement method;
1 引言
焊接熱循環(huán)包括以下四個特征參數(shù):加熱速度(ωH)、最高加熱溫度Tmax在相變溫度以上停留時間(tH)、冷卻速度(ωC)和冷卻時間(t8/5、t8/3、t100)。(剩余5240字)