楂樺害閫氱敤鐨勭啍绲插埗閫�(FFF)鍙互鎸夐渶鍒堕€犵⒊绾栫董澧炲挤濉戞枡(CFRP)鐨勫京(f霉)闆滅祼(ji茅)妲�(g貌u)锛屼絾FFF鍥烘湁鐨勪綆娴侀噺鍜岀浉灏嶈純浣庣殑寮峰害鐐哄ぇ瑕�(gu墨)妯″伐妤�(y猫)鎳�(y墨ng)鐢ㄥ付渚嗕簡涓昏闅滅銆傚湪閫欓爡宸ヤ綔涓�锛岄€氶亷灏囧京(f霉)鍚堟潗鏂欓绮掔洿鎺ラ€佸叆瀹氬埗鐨勮灪妗挎摖鍑�3D鎵撳嵃姗�锛屽埗閫犱簡楂樺挤搴︾殑PA6-CF寰�(f霉)鍚堥儴浠讹紝鍏禖F鍚噺楂橀仈35wt%銆傞€欓爡宸ヤ綔鐮旂┒浜咰F鍚噺灏峆A6-CF寰�(f霉)鍚堟潗鏂欐祦璁婃€ц兘鍜屽姏瀛�(xu茅)鎬ц兘鐨勫奖闊匡紝鍔涘(xu茅)瑭﹂琛ㄦ槑锛孋F椤憲鎻愰珮浜�3d鎵撳嵃寰�(f霉)鍚堟潗鏂欑殑寮峰害锛岀嵅寰椾簡鏈€楂�169.9MPa鐨勬媺浼稿挤搴︺€�  

鎵撳嵃妯ｄ欢鐨勫埗鍌欓亷绋嬪涓嬪湒1鎵€绀�銆傚皣纭呯兎鍋惰伅(li谩n)鍔慘H792婧舵恫铏曠悊閬庣殑PA6鐞冨湗閫佸叆鑷哄紡闆欒灪妗挎摖鍑烘涓紝閫ｇ簩(x霉)鐨凜F绲叉潫閫氶亷鏃嬭綁(zhu菐n)鐨勯洐铻烘】鐩存帴鎷夊叆鎿犲嚭姗�锛屼互鍒跺倷PA6-CF寰�(f霉)鍚堟潗鏂�锛屽鍦�1a鎵€绀�銆傚埗鍌欑殑PA6-CF寰�(f霉)鍚堢悆鍦樺湪80鈩冪殑闄ゆ繒姗熶腑骞茬嚗6灏忔檪鍚庯紝灏囧畬鍏ㄥ共鐕ョ殑椤嗙矑閫佸叆瀹氬埗鐨勫熀浜庢摖澹撶殑3d鎵撳嵃绯荤当(t菕ng)锛屽鍦�1b鎵€绀�銆傞€氶亷鎷変几锛屽綆鏇插拰娌栨搳娓│涓⿻浼颁簡鎵撳嵃寰�(f霉)鍚堟潗鏂欑殑姗熸鎬ц兘锛屾脯瑭﹀昂瀵稿強妯�(bi膩o)婧�(zh菙n)濡傚湒1c鎵€绀�銆�  

鎵撳嵃妯ｄ欢鐨勫姏瀛�(xu茅)鎬ц兘娓│绲�(ji茅)鏋滃鍦�2鎵€绀�銆侾A6-25CF鐨勬姉鎷夊挤搴﹂仈鍒�169.7MPa锛屾槸绱擯A6寮峰害(54.1MPa)鐨�3.15鍊嶏紝閫欑ó寮峰害鐩墠涔熸槸3D鎵撳嵃鐭⒊绾栫董澧炲挤鑱氬悎鐗╁京(f霉)鍚堟潗鏂欎腑鏈€楂樼殑銆侾A6-25CF鐨勬渶楂樻姘忔ā閲忛仈鍒�6.9GPa銆傞毃钁桟F鍚噺鐨勯€蹭竴姝ュ鍔�锛孭A6-35CF鐨勬サ闄愬挤搴︾暐鏈変笅闄嶏紝鐐�160.8MPa锛屽鍦�2a鎵€绀�銆傝垏鎷変几瑭﹂椤炰技锛岀暥(d膩ng)CF鍚噺鐐�25wt%鏅�锛屽叾鎶楀綆寮峰害鍜屾ā閲忓潎閬斿埌鏈€澶у€�锛屽垎鍒ョ偤218.9MPa鍜�14.14GPa锛屽鍦�2b鎵€绀�銆傝€屽京(f霉)鍚堟潗鏂欑殑娌栨搳寮峰害闅–F鍚噺鐨勫鍔犺€屽柈瑾�(di脿o)澧炲姞锛孭A6-35CF娌栨搳寮峰害鍙仈8.89kJ/m2(鍦�2c)銆傜偤浜嗚⿻浼癙A6楂樻韩鎳�(y墨ng)鐢ㄤ笅鐨勫浐鏈夌啽绌�(w臎n)瀹氭€э紝灏峆A6-35CF寰�(f霉)鍚堟潗鏂欑殑鎷変几鎬ц兘鍦ㄩ珮婧笅閫茶浜嗘娓�锛屽鍦�2d鎵€绀猴紝鏂疯鎳�(y墨ng)鍔涢毃钁楁韩搴︾殑鍗囬珮鑰岄檷浣庛€傜洝绠″姝�锛�3d鎵撳嵃鐨凱A6-35CF鍦�100鈩冧笅浠嶉’绀哄劒(y艒u)鑹殑寮峰害(68.5MPa)锛岃垏PLA,ABS鍜孭C鍦ㄥ婧笅鐨勫挤搴︾浉鐣�(d膩ng)銆傞€欎竴鐧�(f膩)鐝�(xi脿n)琛ㄦ槑锛�3d鎵撳嵃鐨凱A6-CF寰�(f霉)鍚堟潗鏂欏彲鑳介仼鐢ㄤ簬鍚勭ó楂樻韩鎳�(y墨ng)鐢ㄣ€�  

鐢ㄦ巸鎻忛浕閺�(SEM)灏嶆媺浼告柗瑁傝│妯ｇ殑鎴潰閫茶浜嗚〃寰�(鍦�3)銆傚湪PA6-15CF妯ｅ搧(鍦�3a鍜宒)涓�锛屽咕涔庢墍鏈夌殑CF閮藉緢濂藉湴宓屽叆鍒拌仛鍚堢墿鍩洪珨涓�銆傚湪PA6-25CF(鍦�3b)涓紝瑙€娓埌鏄庨’鏇村鐨凜F鍜屾媺浼告柗瑁傦紝PA6-25CF鐨勬櫘閬嶅瓨鍦ㄤ互鍙婄簴缍湪鎷変几浣滅敤涓嬫柗瑁傜殑澧炲姞鏈€绲傚皫(d菐o)鑷翠簡PA6-25CF瑭︿欢鐨勫挤搴﹀拰妯￠噺鐨勫鍔犮€傞€蹭竴姝ュ鍔燙F鍚噺鍒癙A6-35CF(鍦�3c)鏅傦紝鎷夊嚭绌烘礊甯歌鎿村ぇ鐨勭┖娲炴墍鍙栦唬锛屼笖CF琛ㄩ潰鐪嬭捣渚嗗厜婊戝拰骞插噲锛岃〃鏄嶤F鑸嘝A6鍩洪珨娴告棘杓冨樊銆侾A6-35CF瑭︿欢涓湭娴告棘CF鐨勬壙杓夎兘鍔涗笅闄嶅彲鑳芥槸鍏舵姉鎷夊挤搴︿綆浜嶱A6-25CF鐨勯儴鍒嗗師鍥犮€傚井瑙€绲�(ji茅)妲�(g貌u)琛ㄥ緛鍜屽姏瀛�(xu茅)鎬ц兘閮借〃鏄�锛岀暥(d膩ng)CF鍚噺鍦�25wt%宸﹀彸鏅�锛屾渻鐢�(ch菐n)鐢熷挤鍖栭＝鍜屾晥鎳�(y墨ng)锛屽叾涓敱杓冮珮CF鍚噺鎻愪緵鐨勫姏瀛�(xu茅)鏀瑰杽骞朵笉鑳借鍎熻垏鍏�(n猫i)閮ㄧ己闄风浉闂�(gu膩n)鐨勭祼(ji茅)妲�(g貌u)寮卞寲鏁堟噳(y墨ng)锛堝杓冮珮鐨勫瓟闅欑巼鍜岃純宸殑娴告棘鐜囷級銆�  

鍦ㄦ湰鐮旂┒涓紝浣跨敤铻烘棆鎿犲3D鎵撳嵃姗熷皪楂樺挤搴A6-CF寰�(f霉)鍚堟潗鏂欐ǎ浠堕€茶浜嗗埗鍌�銆傜祼(ji茅)鏋滆〃鏄�锛岄€氶亷闀蜂笖鍧囧嫽鍒嗗竷鐨凜F鐭簴缍鍔�锛屽彲浠ュ埗鍌欏叿鏈夌浉鐣�(d膩ng)楂樻姉鎷夊挤搴︾殑寰�(f霉)鍚堟潗鏂�锛屾渶澶ф姉鎷夊挤搴﹂仈鍒�169.7MPa銆傝┎鐮旂┒琛ㄦ槑锛屽埄鐢ㄨ灪妗挎摖澹撴柟娉曟墦鍗伴珮鎬ц兘PA6-CF鍏冧欢鍏锋湁寤ｉ棅鐨勬經鍔�锛岄€欓爡鐮旂┒涔熺偤鍎�(y艒u)鍖栧嵃鍒峰伐钘濆拰闁嬬櫦(f膩)鏂扮殑寰�(f霉)鍚堝師鏂欐彁渚涗簡寤ｉ棅鐨勬鏈冦€�  

鍙冭€冩枃鐛伙細  

LiX.,HeJ.,HuZ.,etal.Highstrengthcarbon-fiberreinforcedpolyamide6compositesadditivelymanufacturedbyscrew-basedextrusion[J].Compositesscienceandtechnology,2022,229.