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10.1038/s41598-025-31064-4 http://scihub22266oqcxt.onion/10.1038/s41598-025-31064-4 41390831!?!41390831 Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=41390831&cmd=llinks): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 215       Sci+Rep 2025 ; ? (?): ? Nephropedia Template TP {{tp|p=41390831|t=2025. Multi-scale analysis of stress-corrosion failure and anti-corrosion strategies for anchor bolts in Tashan coal mine |pdf=|usr=}}{{41390831}} gab.com Text Multi-scale analysis of stress-corrosion failure and anti-corrosion strategies for anchor bolts in Tashan coal mine JO: Sci Rep http://www.kidney.de/pget.php?&tw=1&pmid=41390831 #FOAvip Frequent failures of roadway anchor bolts in the roof-dripping zones of the Tashan coal mine endanger roadway stability and safety. To clarify the stress-corrosion cracking (SCC) mechanism and identify mitigation strategies, we combined water-chemistry analysis, multi-scale fractography, slow strain-rate tensile (SSRT) testing, and on-site anti-corrosion trials. Mine water showed weak alkalinity (pH 7.06-7.82), high mineralization (970-1980 mg L(- 1)), and elevated Cl((-))/SO(4)(2-) suggesting strong pitting tendencies. Failed field bolts displayed limited necking, step-like fracture sections, and dendritic crack networks initiated at pits. SSRT tests in simulated solution revealed marked reductions in plasticity and strength compared to air; the SCC susceptibility index (ISCC), based on elongation, rose from 15.76% at 10(- 3) s(- 1) to 59.23% at 10(- 7) s(- 1), demonstrating greater SCC sensitivity at lower strain rates. SEM confirmed reduced dimples, deep pits, and reticulated cracking. A four-stage mechanism was proposed: pit initiation, crack nucleation via anodic dissolution under stress, occluded-cell-assisted propagation, and unstable fracture, often intergranular. Field trials with hot-dip-galvanized bolts showed intact surfaces and stable axial-force responses for over 30 days in dripping zones, confirming both barrier and sacrificial-anode protection. These results provide mechanistic insights and may offer practical guidance for improving corrosion-resistant anchor bolt design in aggressive underground environments, while recognizing that long-term monitoring and broader protective strategies remain necessary. Twit Text FOAVip Multi-scale analysis of stress-corrosion failure and anti-corrosion strategies for anchor bolts in Tashan coal mine ????Sci Rep http://www.kidney.de/pget.php?&tw=1&pmid=41390831 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=41390831 #FOAvip English Wikipedia <ref>{{Cite pmid|41390831}}</ref> Multi-scale analysis of stress-corrosion failure and anti-corrosion strategies for anchor bolts in Tashan coal mine #MMPMID41390831 Wang L; Li Z; Fu Y; Xu X; Chu X Sci Rep 2025[Dec]; ? (?): ? PMID41390831show ga Frequent failures of roadway anchor bolts in the roof-dripping zones of the Tashan coal mine endanger roadway stability and safety. To clarify the stress-corrosion cracking (SCC) mechanism and identify mitigation strategies, we combined water-chemistry analysis, multi-scale fractography, slow strain-rate tensile (SSRT) testing, and on-site anti-corrosion trials. Mine water showed weak alkalinity (pH 7.06-7.82), high mineralization (970-1980 mg L(- 1)), and elevated Cl((-))/SO(4)(2-) suggesting strong pitting tendencies. Failed field bolts displayed limited necking, step-like fracture sections, and dendritic crack networks initiated at pits. SSRT tests in simulated solution revealed marked reductions in plasticity and strength compared to air; the SCC susceptibility index (ISCC), based on elongation, rose from 15.76% at 10(- 3) s(- 1) to 59.23% at 10(- 7) s(- 1), demonstrating greater SCC sensitivity at lower strain rates. SEM confirmed reduced dimples, deep pits, and reticulated cracking. A four-stage mechanism was proposed: pit initiation, crack nucleation via anodic dissolution under stress, occluded-cell-assisted propagation, and unstable fracture, often intergranular. Field trials with hot-dip-galvanized bolts showed intact surfaces and stable axial-force responses for over 30 days in dripping zones, confirming both barrier and sacrificial-anode protection. These results provide mechanistic insights and may offer practical guidance for improving corrosion-resistant anchor bolt design in aggressive underground environments, while recognizing that long-term monitoring and broader protective strategies remain necessary. ?Multi-scale analysis of stress-corrosion failure and anti-corrosion st(epmc).pdf DeepDyve Pubget Overpricing