{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,30]],"date-time":"2026-01-30T07:10:21Z","timestamp":1769757021156,"version":"3.49.0"},"reference-count":23,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2022,5,18]],"date-time":"2022-05-18T00:00:00Z","timestamp":1652832000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Army Research Laboratories","award":["W911NF-20-2-0024"],"award-info":[{"award-number":["W911NF-20-2-0024"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>Cold spray technique has been major improved in the last decades, for studying new properties for metals and alloys of aluminum, copper, nickel, and titanium, as well as steels, stainless steel and other types of alloys. Cold sprayed Ni\/CrC coatings have the potential to provide a barrier as well as improved protection to steels. Fatigue characteristics of 52100 steel coated with Ni\/Chrome-Carbide (Ni\/CrC) powder mixture by using cold gas dynamic spray are investigated. Fatigue samples were subjected to symmetrically alternating, axially applied cyclic fatigue loading until failure. The test was stopped if a sample survived more than 5 \u00d7 106 cycles at the applied stress. Fracture surfaces for each sample were examined to investigate the behaviour of the coating both at high stress levels and at a high number of stress cycles. Scanning electron microscopy was used to assess the damage in the interface of the two materials. Good fatigue behaviour of the coating material was observed, especially at low stresses and a high number of cycles. Details of the crack initiation region, the stable crack propagation region and the sudden crack expansion region are identified for each sample. In most of the samples, the initiation of the crack occurred on the surface of the base material and propagated into the coating material. The possible effects of coatings on the initial deterioration of the base material and the reduction of the lifespan of the coated system were also investigated. The aim of the paper was to study the interface between the base material and the coating material at the fatigue analysis for different stresses, highlighting the appearance of cracks and the number of breaking cycles required for each sample.<\/jats:p>","DOI":"10.3390\/ma15103609","type":"journal-article","created":{"date-parts":[[2022,5,18]],"date-time":"2022-05-18T11:59:37Z","timestamp":1652875177000},"page":"3609","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Evaluation of the Fatigue Behaviour and Failure Mechanisms of 52100 Steel Coated with WIP-C1 (Ni\/CrC) by Cold Spray"],"prefix":"10.3390","volume":"15","author":[{"given":"Viorel","family":"Goanta","sequence":"first","affiliation":[{"name":"Mechanical Engineering, Mechatronics and Robotics Department, Mechanical Engineering Faculty, \u201cGheorghe Asachi\u201d Technical University of Iasi, 700050 Iasi, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3878-9129","authenticated-orcid":false,"given":"Corneliu","family":"Munteanu","sequence":"additional","affiliation":[{"name":"Mechanical Engineering, Mechatronics and Robotics Department, Mechanical Engineering Faculty, \u201cGheorghe Asachi\u201d Technical University of Iasi, 700050 Iasi, Romania"},{"name":"Technical Sciences Academy of Romania, 26 Dacia Blvd., 030167 Bucharest, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sinan","family":"M\u00fcft\u00fc","sequence":"additional","affiliation":[{"name":"Department of Mechanical and Industrial Engineering, Northeastern University, Boston, MA 02115, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0817-3523","authenticated-orcid":false,"given":"Bogdan","family":"Istrate","sequence":"additional","affiliation":[{"name":"Mechanical Engineering, Mechatronics and Robotics Department, Mechanical Engineering Faculty, \u201cGheorghe Asachi\u201d Technical University of Iasi, 700050 Iasi, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patricia","family":"Schwartz","sequence":"additional","affiliation":[{"name":"Kostas Research Institute, Northeastern University, Burlington, MA 01803, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Samuel","family":"Boese","sequence":"additional","affiliation":[{"name":"Department of Mechanical and Industrial Engineering, Northeastern University, Boston, MA 02115, USA"},{"name":"Kostas Research Institute, Northeastern University, Burlington, MA 01803, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8992-1030","authenticated-orcid":false,"given":"Gehn","family":"Ferguson","sequence":"additional","affiliation":[{"name":"Army Research Laboratories, Aberdeen Proving Ground, Maryland, MD 21005, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ciprian Ionut","family":"Mor\u0103ra\u0219","sequence":"additional","affiliation":[{"name":"Mechanical Engineering, Mechatronics and Robotics Department, Mechanical Engineering Faculty, \u201cGheorghe Asachi\u201d Technical University of Iasi, 700050 Iasi, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,5,18]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"9","DOI":"10.2174\/1876503301104010009","article-title":"A Review of the Fatigue Behaviour of Components Coated with Thin Hard Corrosion-Resistant Coatings","volume":"4","author":"Baragetti","year":"2011","journal-title":"Open Corros. 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